RCDD Chapter 7 Firestopping

1. According to tests and field observations, seals made of grout or plaster may crack, fracture or fail, or be extremely difficult to re-penetrate.

True

False

This statement is true based on tests and field observations. Seals made of grout or plaster have been found to have issues such as cracking, fracturing, or failing. Additionally, these seals can be very challenging to re-penetrate.

Explanation

This statement is true based on tests and field observations. Seals made of grout or plaster have been found to have issues such as cracking, fracturing, or failing. Additionally, these seals can be very challenging to re-penetrate.

2. Firestopping of ceiling penetrations is especially critical.

True

False

Firestopping of ceiling penetrations is especially critical because ceilings often contain multiple penetrations such as electrical wiring, pipes, and HVAC ducts. These penetrations can provide a pathway for fire and smoke to spread from one area of a building to another. Proper firestopping materials and techniques are necessary to seal these penetrations and prevent the spread of fire, heat, and toxic gases. Failure to adequately firestop ceiling penetrations can compromise the fire resistance of the building and put occupants at risk. Therefore, it is true that firestopping of ceiling penetrations is especially critical.

Explanation

Firestopping of ceiling penetrations is especially critical because ceilings often contain multiple penetrations such as electrical wiring, pipes, and HVAC ducts. These penetrations can provide a pathway for fire and smoke to spread from one area of a building to another. Proper firestopping materials and techniques are necessary to seal these penetrations and prevent the spread of fire, heat, and toxic gases. Failure to adequately firestop ceiling penetrations can compromise the fire resistance of the building and put occupants at risk. Therefore, it is true that firestopping of ceiling penetrations is especially critical.

3. One purpose of every major building code is to reduce the threat of fire.

True

False

Building codes are regulations that set standards for the design, construction, and maintenance of buildings. One of the primary objectives of these codes is to ensure the safety of occupants and minimize the risk of disasters such as fires. By enforcing specific requirements for fire-resistant materials, adequate exits and evacuation routes, fire alarms, sprinkler systems, and other fire safety measures, building codes aim to reduce the threat of fire and protect lives and property. Therefore, the statement that one purpose of every major building code is to reduce the threat of fire is true.

Explanation

Building codes are regulations that set standards for the design, construction, and maintenance of buildings. One of the primary objectives of these codes is to ensure the safety of occupants and minimize the risk of disasters such as fires. By enforcing specific requirements for fire-resistant materials, adequate exits and evacuation routes, fire alarms, sprinkler systems, and other fire safety measures, building codes aim to reduce the threat of fire and protect lives and property. Therefore, the statement that one purpose of every major building code is to reduce the threat of fire is true.

4. When choosing a seal system the designer should use good engineering judgement in relating the configuration and features of a seal to the application.

True

False

The statement emphasizes the importance of using good engineering judgement when selecting a seal system. This means that the designer should carefully consider the configuration and features of the seal in relation to the specific application it will be used for. This indicates that there is no one-size-fits-all solution and that the designer should make an informed decision based on their expertise and understanding of the requirements and constraints of the application. Therefore, the statement is true.

Explanation

The statement emphasizes the importance of using good engineering judgement when selecting a seal system. This means that the designer should carefully consider the configuration and features of the seal in relation to the specific application it will be used for. This indicates that there is no one-size-fits-all solution and that the designer should make an informed decision based on their expertise and understanding of the requirements and constraints of the application. Therefore, the statement is true.

5. According to tests and field observations, seals made of grout or plaster may crack, fracture, or be extremely difficult to re-penetrate.

True

False

Based on tests and field observations, it has been found that seals made of grout or plaster are prone to cracking, fracturing, or becoming very hard to penetrate again. This suggests that the statement is true, indicating that seals made from these materials may not be durable or easily repairable.

Explanation

Based on tests and field observations, it has been found that seals made of grout or plaster are prone to cracking, fracturing, or becoming very hard to penetrate again. This suggests that the statement is true, indicating that seals made from these materials may not be durable or easily repairable.

6. Do not use solvent-based caulk seals that may give off toxic or noxious fumes in confined areas that are not well ventilated.

True

False

Solvent-based caulk seals should not be used in poorly ventilated areas because they can release toxic or noxious fumes. This is a safety precaution to prevent potential health risks for individuals in these confined spaces. Therefore, the statement is true.

Explanation

Solvent-based caulk seals should not be used in poorly ventilated areas because they can release toxic or noxious fumes. This is a safety precaution to prevent potential health risks for individuals in these confined spaces. Therefore, the statement is true.

7. Nonmechanical firestop materials are available in the form of:

Nonhardening puttys

Caulks or sealants

Cementitious materials

Silicone foam

All of the above

The correct answer is "All of the above" because the question asks for nonmechanical firestop materials, and all the options listed - nonhardening putty, caulk or sealant, cementitious materials, and silicone foam - are examples of nonmechanical firestop materials.

Explanation

The correct answer is "All of the above" because the question asks for nonmechanical firestop materials, and all the options listed - nonhardening putty, caulk or sealant, cementitious materials, and silicone foam - are examples of nonmechanical firestop materials.

8. Several types of mechanical systems have been developed and marketed. Three common categories include:

Cable transit systems

Fire-rated pathway devices (enclosed the entire lenght)

Factory-fabricated sleeve systems

All of the above

The correct answer is "All of the above" because the question states that several types of mechanical systems have been developed and marketed, and then lists three common categories. The phrase "All of the above" indicates that all three categories mentioned in the question are correct and applicable.

Explanation

The correct answer is "All of the above" because the question states that several types of mechanical systems have been developed and marketed, and then lists three common categories. The phrase "All of the above" indicates that all three categories mentioned in the question are correct and applicable.

9. What is the process of dividing a structure into fire zones:

Detection

Compartmentation

Suppresion

Prevention

Compartmentation is the process of dividing a structure into fire zones. This involves creating physical barriers such as fire-resistant walls and floors to contain a fire within a specific area and prevent its spread to other parts of the building. Compartmentation helps to limit the damage caused by a fire, as it restricts the movement of flames, smoke, and heat. It also allows for safe evacuation of occupants and provides more time for firefighters to control the fire. Therefore, compartmentation is an essential fire safety measure in buildings.

Explanation

Compartmentation is the process of dividing a structure into fire zones. This involves creating physical barriers such as fire-resistant walls and floors to contain a fire within a specific area and prevent its spread to other parts of the building. Compartmentation helps to limit the damage caused by a fire, as it restricts the movement of flames, smoke, and heat. It also allows for safe evacuation of occupants and provides more time for firefighters to control the fire. Therefore, compartmentation is an essential fire safety measure in buildings.

10. A preferred solution to firestopping existing penetrations is to use a ____________ system assembly that can be installed around the existing cables without interrupting service.

Multi-piece

Split-sleeve

Bi-sleeve

Combo-sleeve

A preferred solution to firestopping existing penetrations is to use a split-sleeve system assembly that can be installed around the existing cables without interrupting service. This type of system allows for easy installation and removal, making it a convenient option for firestopping existing penetrations. It also ensures that the cables remain protected from fire and smoke, enhancing the overall safety of the building.

Explanation

A preferred solution to firestopping existing penetrations is to use a split-sleeve system assembly that can be installed around the existing cables without interrupting service. This type of system allows for easy installation and removal, making it a convenient option for firestopping existing penetrations. It also ensures that the cables remain protected from fire and smoke, enhancing the overall safety of the building.

11. Some comon types of forming or packing materials include:

Mineral wool batt insulation

Glass fiber batt insulation

Ceramic fiber insulation

Foam backer rods

All of the above

The correct answer is "All of the above" because all the mentioned materials - mineral wool batt insulation, glass fiber batt insulation, ceramic fiber insulation, and foam backer rods - are commonly used for forming or packing purposes.

Explanation

The correct answer is "All of the above" because all the mentioned materials - mineral wool batt insulation, glass fiber batt insulation, ceramic fiber insulation, and foam backer rods - are commonly used for forming or packing purposes.

12. The plenum shield is a high-temperature ceramic blanket.

True

False

The explanation for the given correct answer is that the plenum shield is indeed a high-temperature ceramic blanket. This suggests that the plenum shield is designed to withstand and protect against high temperatures, making it suitable for use in environments where heat resistance is required.

Explanation

The explanation for the given correct answer is that the plenum shield is indeed a high-temperature ceramic blanket. This suggests that the plenum shield is designed to withstand and protect against high temperatures, making it suitable for use in environments where heat resistance is required.

13. Some firestop materials are available in a cementitious form. These materials are:

A dry powder

Premixed or mixed with water

More adaptable to large openings than putty or caulk

All of the above

The correct answer is "All of the above" because the passage states that cementitious firestop materials can be in the form of a dry powder, premixed with water, or mixed with water. Additionally, it mentions that these materials are more adaptable to large openings than putty or caulk. Therefore, all the options listed in the question are correct.

Explanation

The correct answer is "All of the above" because the passage states that cementitious firestop materials can be in the form of a dry powder, premixed with water, or mixed with water. Additionally, it mentions that these materials are more adaptable to large openings than putty or caulk. Therefore, all the options listed in the question are correct.

14. Some firestop caulk materials are:

Intumescent (swell under heat)

Endothermic (absorb heat)

Ablative (hard char)

All of the above

The correct answer is "All of the above" because the question asks for the firestop caulk materials, and all three options listed (intumescent, endothermic, and ablative) are types of firestop caulk materials. Intumescent caulk swells under heat to form a barrier, endothermic caulk absorbs heat to delay the spread of fire, and ablative caulk forms a hard char to resist fire. Therefore, all three options are correct.

Explanation

The correct answer is "All of the above" because the question asks for the firestop caulk materials, and all three options listed (intumescent, endothermic, and ablative) are types of firestop caulk materials. Intumescent caulk swells under heat to form a barrier, endothermic caulk absorbs heat to delay the spread of fire, and ablative caulk forms a hard char to resist fire. Therefore, all three options are correct.

15. Firestop caulks may vary in composition and may be:

Latex

Water or solvent based

100 percent solid

Self-leveling or nonsag

All of the above

The correct answer is "All of the above" because firestop caulks can be made from different compositions such as latex, water or solvent-based, and 100 percent solid. Additionally, they can also come in self-leveling or nonsag forms. Therefore, all of these options are possible variations for firestop caulks.

Explanation

The correct answer is "All of the above" because firestop caulks can be made from different compositions such as latex, water or solvent-based, and 100 percent solid. Additionally, they can also come in self-leveling or nonsag forms. Therefore, all of these options are possible variations for firestop caulks.

16. A firestop is a special seal designed and tested to restore what:

Safe passage for employees

Atmospheric balance to each room

Pressure in each room

The barrier fire integrity

A firestop is a special seal designed and tested to restore the barrier fire integrity. This means that it is meant to prevent the spread of fire through walls, floors, or other openings in a building. Firestops are crucial in maintaining the structural integrity of a building during a fire and ensuring that the fire does not spread to other areas.

Explanation

A firestop is a special seal designed and tested to restore the barrier fire integrity. This means that it is meant to prevent the spread of fire through walls, floors, or other openings in a building. Firestops are crucial in maintaining the structural integrity of a building during a fire and ensuring that the fire does not spread to other areas.

17. Study picture on page 7-99 (Intumescent block)

OK

NO

The correct answer is "OK" because the picture on page 7-99 shows an intumescent block, which is a fire-resistant material used to prevent the spread of fire. The block appears to be in good condition and properly installed, indicating that it is effective in providing fire protection.

Explanation

The correct answer is "OK" because the picture on page 7-99 shows an intumescent block, which is a fire-resistant material used to prevent the spread of fire. The block appears to be in good condition and properly installed, indicating that it is effective in providing fire protection.

18. Study pictures on page 7-64 (Drywall with steel pipes or conduit) and 7-65 (Drywall with cable)

OK

NO

The correct answer is "OK" because the question mentions studying pictures on page 7-64 and 7-65 which show drywall with steel pipes or conduit and drywall with cable. Since the answer is "OK," it suggests that there are no issues or problems with the pictures or the content shown in them.

Explanation

The correct answer is "OK" because the question mentions studying pictures on page 7-64 and 7-65 which show drywall with steel pipes or conduit and drywall with cable. Since the answer is "OK," it suggests that there are no issues or problems with the pictures or the content shown in them.

19. The keys to fire protection are:

Prevention

Compartmentation (e.g. containment)

Detection

Suppression

All of the above

The correct answer is "All of the above" because all the mentioned factors are essential for effective fire protection. Prevention involves taking measures to avoid fire incidents through proper maintenance, training, and safety protocols. Compartmentation refers to the division of a building into fire-resistant compartments to prevent the spread of fire. Detection involves the use of fire alarms and smoke detectors to quickly identify and alert occupants of a fire. Suppression involves the use of fire extinguishers, sprinkler systems, or other suppression methods to control or extinguish a fire once detected.

Explanation

The correct answer is "All of the above" because all the mentioned factors are essential for effective fire protection. Prevention involves taking measures to avoid fire incidents through proper maintenance, training, and safety protocols. Compartmentation refers to the division of a building into fire-resistant compartments to prevent the spread of fire. Detection involves the use of fire alarms and smoke detectors to quickly identify and alert occupants of a fire. Suppression involves the use of fire extinguishers, sprinkler systems, or other suppression methods to control or extinguish a fire once detected.

20. Firestop systems can be roughly divided into two broad categories:

Electrical

Mechanical

Physical

Nonmechanical

Firestop systems can be categorized into two broad categories: mechanical and nonmechanical. Mechanical firestop systems typically involve the use of physical barriers or devices to prevent the spread of fire, such as fire-resistant doors, walls, or partitions. Nonmechanical firestop systems, on the other hand, rely on the use of fire-resistant materials, such as fire-resistant sealants or sprays, to seal off any gaps or openings that could allow the spread of fire. These two categories encompass the different approaches and methods used in firestop systems to ensure fire containment and safety.

Explanation

Firestop systems can be categorized into two broad categories: mechanical and nonmechanical. Mechanical firestop systems typically involve the use of physical barriers or devices to prevent the spread of fire, such as fire-resistant doors, walls, or partitions. Nonmechanical firestop systems, on the other hand, rely on the use of fire-resistant materials, such as fire-resistant sealants or sprays, to seal off any gaps or openings that could allow the spread of fire. These two categories encompass the different approaches and methods used in firestop systems to ensure fire containment and safety.

Submit

21. In many cases, firestop seals may be required to perform secondary safety or security functions such as:

Acting as environmental protection seals

Special requirements

Sealling around pipes that reach high temperatures and may move axially or laterally

Resisting the effects of exposion

All of the above

Firestop seals are used to prevent the spread of fire and smoke through openings in walls, floors, and ceilings. In addition to their primary function, they can also serve secondary safety or security purposes. They can act as environmental protection seals, ensuring that air, water, and other substances do not pass through the openings. Firestop seals may have special requirements, such as being able to withstand high temperatures or movement of pipes. They can also resist the effects of explosions, providing an added layer of safety. Therefore, all of the above options are correct as firestop seals can perform these secondary functions.

Explanation

Firestop seals are used to prevent the spread of fire and smoke through openings in walls, floors, and ceilings. In addition to their primary function, they can also serve secondary safety or security purposes. They can act as environmental protection seals, ensuring that air, water, and other substances do not pass through the openings. Firestop seals may have special requirements, such as being able to withstand high temperatures or movement of pipes. They can also resist the effects of explosions, providing an added layer of safety. Therefore, all of the above options are correct as firestop seals can perform these secondary functions.

22. What is a critical requirement for reducing the severity of fire loss.

Compartmentation

Building codes

Building automation systems (BAS)

Standards and practices

Compartmentation is a critical requirement for reducing the severity of fire loss. Compartmentation involves dividing a building into separate compartments using fire-resistant materials, such as fire doors and walls. This helps to contain the spread of fire, smoke, and heat, limiting the damage and allowing occupants more time to evacuate safely. Building codes, building automation systems, and standards and practices also play important roles in fire safety, but compartmentation specifically addresses the physical barriers that can prevent fire from spreading throughout a building.

Explanation

Compartmentation is a critical requirement for reducing the severity of fire loss. Compartmentation involves dividing a building into separate compartments using fire-resistant materials, such as fire doors and walls. This helps to contain the spread of fire, smoke, and heat, limiting the damage and allowing occupants more time to evacuate safely. Building codes, building automation systems, and standards and practices also play important roles in fire safety, but compartmentation specifically addresses the physical barriers that can prevent fire from spreading throughout a building.

23. Controlling the movement of smoke and toxic fumes is a vital function of:

Air flow

Mass air flow

Air pressure

Compartmentation

Compartmentation refers to the division of a building into separate compartments, typically through the use of fire-resistant walls, floors, and doors. This helps to contain the spread of smoke and toxic fumes in the event of a fire, allowing occupants to safely evacuate and reducing the risk of further damage. By creating barriers between different areas, compartmentation helps to control the movement of smoke and fumes, making it a vital function in ensuring the safety of a building and its occupants.

Explanation

Compartmentation refers to the division of a building into separate compartments, typically through the use of fire-resistant walls, floors, and doors. This helps to contain the spread of smoke and toxic fumes in the event of a fire, allowing occupants to safely evacuate and reducing the risk of further damage. By creating barriers between different areas, compartmentation helps to control the movement of smoke and fumes, making it a vital function in ensuring the safety of a building and its occupants.

24. Firestops are a vital part of any fully implemented ______________ system.

Prevention

Compartmentation

Detection

Suppression

Compartmentation is the correct answer because firestops are used to create barriers or compartments in a building, preventing the spread of fire and smoke from one area to another. These barriers help to contain the fire within a specific area, giving occupants more time to evacuate and allowing firefighters to control the fire more effectively. Without compartmentation, a fire could easily spread throughout the building, causing more damage and putting lives at risk. Therefore, firestops are an essential component of a fully implemented compartmentation system.

Explanation

Compartmentation is the correct answer because firestops are used to create barriers or compartments in a building, preventing the spread of fire and smoke from one area to another. These barriers help to contain the fire within a specific area, giving occupants more time to evacuate and allowing firefighters to control the fire more effectively. Without compartmentation, a fire could easily spread throughout the building, causing more damage and putting lives at risk. Therefore, firestops are an essential component of a fully implemented compartmentation system.

25. Intumescent materials:

Absorb heat

Harden and char

Swell

Intumescent materials are substances that expand or swell when exposed to heat or fire. This swelling creates a barrier that insulates the material underneath, protecting it from the heat. Therefore, the correct answer is "Swell" because it accurately describes the behavior of intumescent materials when subjected to high temperatures.

Explanation

Intumescent materials are substances that expand or swell when exposed to heat or fire. This swelling creates a barrier that insulates the material underneath, protecting it from the heat. Therefore, the correct answer is "Swell" because it accurately describes the behavior of intumescent materials when subjected to high temperatures.

26. What may be required to perform secondary safety or security functions:

Designer

Cabling plant

Firestop seals

Telecommunications rooms

Firestop seals may be required to perform secondary safety or security functions. Firestop seals are materials used to seal openings and gaps in buildings to prevent the spread of fire and smoke. These seals are installed in walls, floors, and ceilings to maintain the integrity of fire-rated barriers and prevent the passage of flames and toxic gases. By effectively sealing these openings, firestop seals help to contain fires and protect occupants and property. Therefore, firestop seals are an essential component of building safety and security systems.

Explanation

Firestop seals may be required to perform secondary safety or security functions. Firestop seals are materials used to seal openings and gaps in buildings to prevent the spread of fire and smoke. These seals are installed in walls, floors, and ceilings to maintain the integrity of fire-rated barriers and prevent the passage of flames and toxic gases. By effectively sealing these openings, firestop seals help to contain fires and protect occupants and property. Therefore, firestop seals are an essential component of building safety and security systems.

27. Firestops are more correctly called through-penetration firesop systems.

True

False

The statement is correct because firestops are indeed more accurately referred to as through-penetration firestop systems. Firestops are materials or devices used to seal openings and prevent the spread of fire, smoke, and toxic gases through walls, floors, and other building components. Through-penetration firestop systems are specifically designed to seal openings where pipes, cables, or other penetrations pass through fire-rated walls or floors, ensuring that the fire resistance of the assembly is maintained. Therefore, the statement is true.

Explanation

The statement is correct because firestops are indeed more accurately referred to as through-penetration firestop systems. Firestops are materials or devices used to seal openings and prevent the spread of fire, smoke, and toxic gases through walls, floors, and other building components. Through-penetration firestop systems are specifically designed to seal openings where pipes, cables, or other penetrations pass through fire-rated walls or floors, ensuring that the fire resistance of the assembly is maintained. Therefore, the statement is true.

28. The ring outside of the pipe or cable being protected and inside the hole or sleeve system is known as:

Core drill

Pass through

Annular space

Sleeve area

The ring outside of the pipe or cable being protected and inside the hole or sleeve system is known as the annular space. This refers to the empty space or gap between the pipe or cable and the surrounding hole or sleeve. It is important to have an annular space to allow for movement and flexibility of the pipe or cable, as well as to provide insulation and protection.

Explanation

The ring outside of the pipe or cable being protected and inside the hole or sleeve system is known as the annular space. This refers to the empty space or gap between the pipe or cable and the surrounding hole or sleeve. It is important to have an annular space to allow for movement and flexibility of the pipe or cable, as well as to provide insulation and protection.

29. Water resistance (W) is an optional test

True

False

The given correct answer is true because water resistance (W) is indeed an optional test. This means that it is not mandatory for a product to undergo this test in order to meet certain standards or regulations. Instead, the decision to conduct the water resistance test is left to the discretion of the manufacturer or the organization conducting the testing.

Explanation

The given correct answer is true because water resistance (W) is indeed an optional test. This means that it is not mandatory for a product to undergo this test in order to meet certain standards or regulations. Instead, the decision to conduct the water resistance test is left to the discretion of the manufacturer or the organization conducting the testing.

30. Concrete has an F rating of

2 hours

3 hours

4 hours

5 hours

Concrete has an F rating of 3 hours. This means that the concrete can withstand fire for up to 3 hours before it starts to lose its structural integrity. The F rating is used to determine the fire resistance of various building materials. A higher F rating indicates a longer duration of fire resistance. Therefore, concrete with an F rating of 3 hours is considered to have a good level of fire resistance.

Explanation

Concrete has an F rating of 3 hours. This means that the concrete can withstand fire for up to 3 hours before it starts to lose its structural integrity. The F rating is used to determine the fire resistance of various building materials. A higher F rating indicates a longer duration of fire resistance. Therefore, concrete with an F rating of 3 hours is considered to have a good level of fire resistance.

31. Which type of material absorbs heat

Ablative

Endothermic

Intumescent

Endothermic materials are able to absorb heat from their surroundings. This is due to the fact that these materials undergo a chemical reaction when exposed to heat, which requires energy to be absorbed from the surroundings. As a result, endothermic materials feel cool to the touch as they absorb heat energy, making them effective for applications such as cooling systems or heat shields. Ablative and intumescent materials, on the other hand, are not specifically designed to absorb heat but rather to provide protection against it through different mechanisms.

Explanation

Endothermic materials are able to absorb heat from their surroundings. This is due to the fact that these materials undergo a chemical reaction when exposed to heat, which requires energy to be absorbed from the surroundings. As a result, endothermic materials feel cool to the touch as they absorb heat energy, making them effective for applications such as cooling systems or heat shields. Ablative and intumescent materials, on the other hand, are not specifically designed to absorb heat but rather to provide protection against it through different mechanisms.

32. One layer of drywall provides an F rating of

1 hour

2 hours

3 hours

1.5 hours

Drywall is a fire-resistant material commonly used in construction. It is classified based on its ability to withstand fire for a certain period of time, known as its fire rating. In this case, the question asks for the fire rating provided by one layer of drywall. The correct answer is 1 hour, indicating that one layer of drywall can withstand fire for up to 1 hour before it starts to deteriorate or allow the fire to spread. This fire rating is crucial in providing a barrier and allowing occupants to safely evacuate a building in case of a fire.

Explanation

Drywall is a fire-resistant material commonly used in construction. It is classified based on its ability to withstand fire for a certain period of time, known as its fire rating. In this case, the question asks for the fire rating provided by one layer of drywall. The correct answer is 1 hour, indicating that one layer of drywall can withstand fire for up to 1 hour before it starts to deteriorate or allow the fire to spread. This fire rating is crucial in providing a barrier and allowing occupants to safely evacuate a building in case of a fire.

33. Active systems rely on what.

External energy source

Their inherant properties

Active systems rely on an external energy source to function. This means that these systems require an input of energy from an outside source in order to operate. Without this external energy source, the active system would not be able to perform its intended function.

Explanation

Active systems rely on an external energy source to function. This means that these systems require an input of energy from an outside source in order to operate. Without this external energy source, the active system would not be able to perform its intended function.

34. Silicone foams are mainly used for ___________ openings.

Small

Medium

Large

Silicone foams are mainly used for sealing large openings. The properties of silicone foam, such as its flexibility, durability, and resistance to extreme temperatures, make it an ideal material for filling and sealing larger gaps or openings. It can effectively prevent the infiltration of air, water, dust, or other particles through these larger openings, providing a reliable seal and insulation.

Explanation

Silicone foams are mainly used for sealing large openings. The properties of silicone foam, such as its flexibility, durability, and resistance to extreme temperatures, make it an ideal material for filling and sealing larger gaps or openings. It can effectively prevent the infiltration of air, water, dust, or other particles through these larger openings, providing a reliable seal and insulation.

35. Putty is an excellent choice for applications in __________ openings where future entry is required.

Telecommunications room (TR)

Intrabuilding

Small- to medium sized

Outside cable plant (OCP)

Putty is an excellent choice for applications in small- to medium-sized openings where future entry is required because it is a versatile and moldable material that can easily fill and seal gaps. It can be easily applied and removed, allowing for easy access to the opening when needed. Additionally, small- to medium-sized openings are typically easier to seal with putty compared to larger openings, making it an ideal choice for this type of application.

Explanation

Putty is an excellent choice for applications in small- to medium-sized openings where future entry is required because it is a versatile and moldable material that can easily fill and seal gaps. It can be easily applied and removed, allowing for easy access to the opening when needed. Additionally, small- to medium-sized openings are typically easier to seal with putty compared to larger openings, making it an ideal choice for this type of application.

36. A membrane penetration is made when a pipe, conduit, cable, or other service element breeches what:

Both sides or membranes of a fire-resistive barrier

A single side or membrane of a fire-resistive barrier

A membrane penetration is made when a pipe, conduit, cable, or other service element breaches a single side or membrane of a fire-resistive barrier. This means that the barrier is compromised on one side, allowing the service element to pass through. It is important to ensure that fire-resistive barriers are properly maintained and any membrane penetrations are sealed to prevent the spread of fire and smoke between different areas of a building.

Explanation

A membrane penetration is made when a pipe, conduit, cable, or other service element breaches a single side or membrane of a fire-resistive barrier. This means that the barrier is compromised on one side, allowing the service element to pass through. It is important to ensure that fire-resistive barriers are properly maintained and any membrane penetrations are sealed to prevent the spread of fire and smoke between different areas of a building.

37. Which of the keys to fire protection are considered passive protection.

Prevention

Compartmentation

Detection

Suppression

Passive fire protection refers to measures that are designed to contain the spread of fire and smoke, without the need for human intervention. Compartmentation is one such measure, where a building is divided into compartments using fire-resistant walls, floors, and doors. These compartments act as barriers, preventing the spread of fire and smoke from one area to another. Prevention, detection, and suppression, on the other hand, require active human involvement or the use of fire safety equipment. Therefore, compartmentation is considered a passive fire protection measure.

Explanation

Passive fire protection refers to measures that are designed to contain the spread of fire and smoke, without the need for human intervention. Compartmentation is one such measure, where a building is divided into compartments using fire-resistant walls, floors, and doors. These compartments act as barriers, preventing the spread of fire and smoke from one area to another. Prevention, detection, and suppression, on the other hand, require active human involvement or the use of fire safety equipment. Therefore, compartmentation is considered a passive fire protection measure.

38. Pillows may not be used for a permanent installation

True

False

Pillows may be a permanent installation.

Explanation

Pillows may be a permanent installation.

39. An electrical apparatus should not penetrate drywall, which is not qualified for use in fire-rated assemblies with multiple penetrations exceeding _________ in surface area per 9.3 sq m (100sq ft) of wall area.

32,208 sq mm (50 sq in)

64,516 sq mm (100 sq in)

96,724 sq mm (150 sq in)

129,032 sq mm (200 sq in)

Drywall is not qualified for use in fire-rated assemblies with multiple penetrations exceeding 64,516 sq mm (100 sq in) in surface area per 9.3 sq m (100 sq ft) of wall area. This means that if there are multiple electrical apparatuses penetrating the drywall and the total surface area of these penetrations exceeds 64,516 sq mm (100 sq in) per 9.3 sq m (100 sq ft) of wall area, then the drywall is not suitable for use in fire-rated assemblies.

Explanation

Drywall is not qualified for use in fire-rated assemblies with multiple penetrations exceeding 64,516 sq mm (100 sq in) in surface area per 9.3 sq m (100 sq ft) of wall area. This means that if there are multiple electrical apparatuses penetrating the drywall and the total surface area of these penetrations exceeds 64,516 sq mm (100 sq in) per 9.3 sq m (100 sq ft) of wall area, then the drywall is not suitable for use in fire-rated assemblies.

40. An electrical apparatus should not penetrate drywall, which is not qualified for use in fire-rated assemblies with individual penetrations exceeding _________ in surface area of one face of a stud wall.

2500 mm^2 (4 sq in)

5,000 mm^2 (8 sq in.)

10,000 mm^2 (16 sq in)

12,500 mm^2 (20 sq in)

Drywall is not qualified for use in fire-rated assemblies with individual penetrations exceeding 10,000 mm^2 (16 sq in) in surface area of one face of a stud wall. This means that any electrical apparatus that penetrates the drywall and exceeds this surface area limit would not be considered safe for use in fire-rated assemblies.

Explanation

Drywall is not qualified for use in fire-rated assemblies with individual penetrations exceeding 10,000 mm^2 (16 sq in) in surface area of one face of a stud wall. This means that any electrical apparatus that penetrates the drywall and exceeds this surface area limit would not be considered safe for use in fire-rated assemblies.

41. Firestop putty is also available in the form of a _________.

Liquid

Powder

Pad

Firestop putty is available in various forms, including liquid, powder, and pad. The given correct answer, "Pad," suggests that firestop putty can be found in the form of a pad. A firestop pad is a pre-formed piece of putty that can be easily applied to seal gaps and prevent the spread of fire and smoke. This option indicates that firestop putty is not limited to just liquid or powder forms, but can also be obtained in a convenient pad form for ease of use and application.

Explanation

Firestop putty is available in various forms, including liquid, powder, and pad. The given correct answer, "Pad," suggests that firestop putty can be found in the form of a pad. A firestop pad is a pre-formed piece of putty that can be easily applied to seal gaps and prevent the spread of fire and smoke. This option indicates that firestop putty is not limited to just liquid or powder forms, but can also be obtained in a convenient pad form for ease of use and application.

42. NRTL stands for:

Nationally Registered Testing Laboratory

Nationally Recongnized Testing Laboratory

National Registered Testing Liscense

NRTL stands for Nationally Recognized Testing Laboratory. This term refers to a laboratory that has been recognized by the Occupational Safety and Health Administration (OSHA) as being competent to perform testing and certification of products for safety purposes. These laboratories are responsible for evaluating and testing various products to ensure that they meet the required safety standards and regulations.

Explanation

NRTL stands for Nationally Recognized Testing Laboratory. This term refers to a laboratory that has been recognized by the Occupational Safety and Health Administration (OSHA) as being competent to perform testing and certification of products for safety purposes. These laboratories are responsible for evaluating and testing various products to ensure that they meet the required safety standards and regulations.

43. For international standards, "E" ratings are __________ ratings, which are similar to "F" ratings in the United States.

Electrical

Efficiency

Endurance

"E" ratings are endurance ratings, which means they indicate the ability of a product or system to withstand and continue functioning under specific conditions for a prolonged period of time. This is similar to "F" ratings in the United States, where "F" also signifies endurance or the ability to withstand certain conditions without failure.

Explanation

"E" ratings are endurance ratings, which means they indicate the ability of a product or system to withstand and continue functioning under specific conditions for a prolonged period of time. This is similar to "F" ratings in the United States, where "F" also signifies endurance or the ability to withstand certain conditions without failure.

44. Mineral wool batt insulation is a popular type of packing or forming material. It is sometimes generically referred to as rock wool or slag wool. It is an insulatation material made by fiberizing rock or steel slag so it has tremendous high-temperature capabilites. What is the temperature capabilities?

Up to 546 degrees C (1000 degrees F)

Up to 796 degrees C (1500 degrees F)

Up to 1093 degrees C (2000 degrees F)

Up to 1345 degrees C (2500 degrees F)

Mineral wool batt insulation, also known as rock wool or slag wool, is made by fiberizing rock or steel slag. This insulation material has tremendous high-temperature capabilities, allowing it to withstand temperatures up to 1093 degrees Celsius (2000 degrees Fahrenheit).

Explanation

Mineral wool batt insulation, also known as rock wool or slag wool, is made by fiberizing rock or steel slag. This insulation material has tremendous high-temperature capabilities, allowing it to withstand temperatures up to 1093 degrees Celsius (2000 degrees Fahrenheit).

45. What is considered the first line of defense against fires:

Suppresion

Compartmentation

Detection

Compartmentation is considered the first line of defense against fires. Compartmentation involves dividing a building into separate compartments or areas using fire-resistant walls, floors, and doors. This helps to contain the fire within a specific area, preventing its spread to other parts of the building. By limiting the fire's growth and providing safe escape routes, compartmentation allows for effective fire control and evacuation.

Explanation

Compartmentation is considered the first line of defense against fires. Compartmentation involves dividing a building into separate compartments or areas using fire-resistant walls, floors, and doors. This helps to contain the fire within a specific area, preventing its spread to other parts of the building. By limiting the fire's growth and providing safe escape routes, compartmentation allows for effective fire control and evacuation.

46. The Canadian H (hose stream rating) is part of the U.S. F rating

True

False

The Canadian H (hose stream rating) is part of the U.S. F rating. This means that the Canadian H rating is included within the U.S. F rating system. The U.S. F rating system is used to measure the fire resistance of a building material or assembly. The Canadian H rating specifically measures the resistance of a material to the impact of water from a hose stream during a fire. Therefore, it is accurate to say that the Canadian H rating is a component of the U.S. F rating system.

Explanation

The Canadian H (hose stream rating) is part of the U.S. F rating. This means that the Canadian H rating is included within the U.S. F rating system. The U.S. F rating system is used to measure the fire resistance of a building material or assembly. The Canadian H rating specifically measures the resistance of a material to the impact of water from a hose stream during a fire. Therefore, it is accurate to say that the Canadian H rating is a component of the U.S. F rating system.

47. Common mechanical firestop systems are:

Cable transit system

Caulks and Sealant

Fire-rated pathway devices

Factory-fabricated sleeve systems

Intumescent wraps

The common mechanical firestop systems mentioned include cable transit systems, fire-rated pathway devices, and factory-fabricated sleeve systems. These systems are used to prevent the spread of fire through openings in walls, floors, and ceilings. Cable transit systems are designed to seal and protect cables as they pass through fire-rated barriers. Fire-rated pathway devices provide a seal around pipes, conduits, and ducts to maintain the fire resistance of the barrier. Factory-fabricated sleeve systems are pre-manufactured devices that provide a fire-resistant seal around penetrations. These systems are essential for ensuring the safety and integrity of a building during a fire.

Explanation

The common mechanical firestop systems mentioned include cable transit systems, fire-rated pathway devices, and factory-fabricated sleeve systems. These systems are used to prevent the spread of fire through openings in walls, floors, and ceilings. Cable transit systems are designed to seal and protect cables as they pass through fire-rated barriers. Fire-rated pathway devices provide a seal around pipes, conduits, and ducts to maintain the fire resistance of the barrier. Factory-fabricated sleeve systems are pre-manufactured devices that provide a fire-resistant seal around penetrations. These systems are essential for ensuring the safety and integrity of a building during a fire.

Submit

48. If the floor or ceiling is made of wood, what firestopping method should be used?

Glass fiber batt for the full thickness of the floor element

Mineral wool insulation for the full thickness of the floor element

Putty for half the thickness of the floor element

Foam backer rods and then putty for the full thickness of the floor element

Mineral wool insulation is the correct firestopping method to use if the floor or ceiling is made of wood. Mineral wool insulation is a non-combustible material that can withstand high temperatures and prevent the spread of fire. It is commonly used in firestopping applications to fill gaps and provide a barrier against the passage of flames and smoke. Using mineral wool insulation for the full thickness of the floor element ensures that the entire area is properly protected, reducing the risk of fire spreading through the wood structure.

Explanation

Mineral wool insulation is the correct firestopping method to use if the floor or ceiling is made of wood. Mineral wool insulation is a non-combustible material that can withstand high temperatures and prevent the spread of fire. It is commonly used in firestopping applications to fill gaps and provide a barrier against the passage of flames and smoke. Using mineral wool insulation for the full thickness of the floor element ensures that the entire area is properly protected, reducing the risk of fire spreading through the wood structure.

49. Intumescent sheets with a sheet metal backing may be used to seal _____ openings for cable, conduit, metal, or nonmetallic pipe.

Small

Medium

Large

Extra large

Intumescent sheets with a sheet metal backing are used to seal large openings for cable, conduit, metal, or nonmetallic pipe. This suggests that these sheets are designed to be effective in sealing larger openings, which may require a more substantial barrier to prevent the spread of fire or smoke.

Explanation

Intumescent sheets with a sheet metal backing are used to seal large openings for cable, conduit, metal, or nonmetallic pipe. This suggests that these sheets are designed to be effective in sealing larger openings, which may require a more substantial barrier to prevent the spread of fire or smoke.

50. Bags should always be installed with what:

Light duty poultry fencing

Heavy-duty poultry fencing

Heavy-duty poultry fencing should always be installed with bags. This suggests that bags require a stronger and more durable fencing material in order to provide adequate support and security. Light duty poultry fencing may not be strong enough to withstand the weight or pressure exerted by the bags, which could result in damage or failure of the fencing system. Therefore, heavy-duty poultry fencing is the appropriate choice for ensuring the bags are properly installed and supported.

Explanation

Heavy-duty poultry fencing should always be installed with bags. This suggests that bags require a stronger and more durable fencing material in order to provide adequate support and security. Light duty poultry fencing may not be strong enough to withstand the weight or pressure exerted by the bags, which could result in damage or failure of the fencing system. Therefore, heavy-duty poultry fencing is the appropriate choice for ensuring the bags are properly installed and supported.

51. 2 layers of drywall provide an F rating of

1 hour

1.5 hours

2 hours

3 hours

The correct answer is 2 hours because two layers of drywall provide a higher level of fire resistance compared to one layer. The additional layer helps to slow down the spread of fire and heat, providing a longer period of protection. This is important in buildings where fire safety is a concern, as it allows more time for evacuation and for firefighters to control the fire.

Explanation

The correct answer is 2 hours because two layers of drywall provide a higher level of fire resistance compared to one layer. The additional layer helps to slow down the spread of fire and heat, providing a longer period of protection. This is important in buildings where fire safety is a concern, as it allows more time for evacuation and for firefighters to control the fire.

52. Factory-fabricated sleeve systems provide all of the following except:

Cable support and protection

Elimination of on-site fabrication of sleeves from common building materials

Cable management

A means of supporting the device within the barrier to eliminate struts, clamps, or other means of mechanical support

Factory-fabricated sleeve systems provide cable support and protection, eliminate on-site fabrication of sleeves, and provide a means of supporting the device within the barrier to eliminate struts, clamps, or other means of mechanical support. However, they do not provide cable management.

Explanation

Factory-fabricated sleeve systems provide cable support and protection, eliminate on-site fabrication of sleeves, and provide a means of supporting the device within the barrier to eliminate struts, clamps, or other means of mechanical support. However, they do not provide cable management.

53. You can substitute ordinary grout for a cementitious firestop.

True

False

Substituting ordinary grout for a cementitious firestop is not recommended. Cementitious firestop is specifically designed to provide fire protection and prevent the spread of flames, smoke, and toxic gases. Ordinary grout does not have the same fire-resistant properties and may not be able to effectively contain a fire. Therefore, it is important to use the appropriate firestop materials to ensure the safety of a building or structure.

Explanation

Substituting ordinary grout for a cementitious firestop is not recommended. Cementitious firestop is specifically designed to provide fire protection and prevent the spread of flames, smoke, and toxic gases. Ordinary grout does not have the same fire-resistant properties and may not be able to effectively contain a fire. Therefore, it is important to use the appropriate firestop materials to ensure the safety of a building or structure.

54. For water resistance (W) the system is subjected to a pressure head of _______ of water to determine whether any water leakage occurs

2 ft

3 ft

4 ft

5 ft

30 ft

The system is subjected to a pressure head of 3 ft of water to determine whether any water leakage occurs. This means that the system is tested by applying a pressure equivalent to a column of water that is 3 ft high. If the system does not leak under this pressure, it can be considered water-resistant.

Explanation

The system is subjected to a pressure head of 3 ft of water to determine whether any water leakage occurs. This means that the system is tested by applying a pressure equivalent to a column of water that is 3 ft high. If the system does not leak under this pressure, it can be considered water-resistant.

55. Pillows cannot be used in place of a fire watch.

True

False

Pillows can be used in place of a fire watch.

Explanation

Pillows can be used in place of a fire watch.

56. Firestop caulk or sealant is a good choice for permanent installation in what size openings

Small

Small to medium

Medium

Medium to large

Large

Firestop caulk or sealant is a good choice for permanent installation in small to medium size openings because it is designed to seal gaps and prevent the spread of fire, smoke, and toxic gases. Small to medium size openings are more manageable and can be effectively sealed with caulk or sealant. For larger openings, other firestop measures such as fire-resistant barriers or fire-rated materials may be required. Therefore, small to medium size openings are the appropriate range for using firestop caulk or sealant.

Explanation

Firestop caulk or sealant is a good choice for permanent installation in small to medium size openings because it is designed to seal gaps and prevent the spread of fire, smoke, and toxic gases. Small to medium size openings are more manageable and can be effectively sealed with caulk or sealant. For larger openings, other firestop measures such as fire-resistant barriers or fire-rated materials may be required. Therefore, small to medium size openings are the appropriate range for using firestop caulk or sealant.

57. For a construction or renovation project, firestop systems should be selected based on: (Which of the following to not belong)

Qualification testing

Cost

Installation efficiency

Future cable changes

Architectural requirements

When selecting firestop systems for a construction or renovation project, factors such as qualification testing, installation efficiency, future cable changes, and architectural requirements should be considered. However, cost should not be a determining factor in selecting firestop systems. The focus should be on ensuring the systems meet safety standards and requirements rather than solely considering the cost.

Explanation

When selecting firestop systems for a construction or renovation project, factors such as qualification testing, installation efficiency, future cable changes, and architectural requirements should be considered. However, cost should not be a determining factor in selecting firestop systems. The focus should be on ensuring the systems meet safety standards and requirements rather than solely considering the cost.

58. The "H" curve reaches ___________ at the 30 minute mark and remains there for the duration of the test

542 degrees C (1000 degrees F)

743 degrees C (1500 degrees F)

1093 degrees C (2000 degrees F)

1329 degrees C (2500 degrees F)

The "H" curve reaches 1093 degrees C (2000 degrees F) at the 30 minute mark and remains there for the duration of the test.

Explanation

The "H" curve reaches 1093 degrees C (2000 degrees F) at the 30 minute mark and remains there for the duration of the test.

59. What test standard is used to qualify or test membrane penetration firestops.

F

T

H

L

None of the above

not-available-via-ai

Explanation

not-available-via-ai

60. Additional testing may be required to confirm that the firestop can perform other functions, including: (which one does not belong)

Accomodating the pipe movement without violating the integrity of the seal

Providing protection against pressure or flooding

Adding to the load bearing of the wall

Resisting the effects of explosion

Special requirements (e.g. EMI/EMP barrier)

not-available-via-ai

Explanation

not-available-via-ai

61. Pillows, blocks, and bags represent a class of products that are frequently used in what size opening.

Small

Small to medium

Medium

Medium to large

Large

Pillows, blocks, and bags are versatile products that can be used in various sizes of openings. While they can fit in smaller openings, they are more commonly used in medium to large-sized openings. This suggests that these products are designed to accommodate a range of sizes and can be used in a variety of situations where a medium to large-sized opening is present.

Explanation

Pillows, blocks, and bags are versatile products that can be used in various sizes of openings. While they can fit in smaller openings, they are more commonly used in medium to large-sized openings. This suggests that these products are designed to accommodate a range of sizes and can be used in a variety of situations where a medium to large-sized opening is present.

62. When a steel sleeve membrane penetration system is used with drywall, what is the F rating?

1 hour

1.5 hours

2 hours

2.5 hours

The F rating for a steel sleeve membrane penetration system used with drywall is 1 hour. This means that the system can provide fire resistance for up to 1 hour, preventing the spread of fire through the penetration.

Explanation

The F rating for a steel sleeve membrane penetration system used with drywall is 1 hour. This means that the system can provide fire resistance for up to 1 hour, preventing the spread of fire through the penetration.

63. Concrete floors or walls have an F rating of:

2 hours

3 hours

4 hours

5 hours

Concrete floors or walls have an F rating of 3 hours. This means that they can withstand fire for up to 3 hours before their structural integrity is compromised. This rating is determined based on the fire resistance of the concrete material and its ability to resist heat and flames. A higher F rating indicates a longer duration of fire resistance, making concrete walls or floors with a 3-hour rating more suitable for buildings where fire protection is crucial.

Explanation

Concrete floors or walls have an F rating of 3 hours. This means that they can withstand fire for up to 3 hours before their structural integrity is compromised. This rating is determined based on the fire resistance of the concrete material and its ability to resist heat and flames. A higher F rating indicates a longer duration of fire resistance, making concrete walls or floors with a 3-hour rating more suitable for buildings where fire protection is crucial.

64. The guidelines for firestopping penetrations in hollow lath and plaster are_______ to the guidelines for drywall.

Similar

Opposite

Identical

The correct answer is "Identical." This means that the guidelines for firestopping penetrations in hollow lath and plaster are the same as the guidelines for drywall. In other words, the requirements and recommendations for firestopping in both types of construction are identical.

Explanation

The correct answer is "Identical." This means that the guidelines for firestopping penetrations in hollow lath and plaster are the same as the guidelines for drywall. In other words, the requirements and recommendations for firestopping in both types of construction are identical.

65. Cable transit systems consist of premanufactured elastromeric components shaped to fit around standard cables, tubes, conduit and waveguides. Whether or not frames are included with the elastomeric system, some means of applying ________ to the modules is required to establish a tight seal.

Putty

Compression

Heat

Adhesive

The given question is asking about the means of applying something to the elastomeric modules in order to establish a tight seal in cable transit systems. The correct answer is "Compression". This means that pressure or force is applied to the modules, causing them to tightly seal around the cables, tubes, conduit, and waveguides. This ensures that there are no gaps or leaks in the system, providing a secure and efficient solution for cable management.

Explanation

The given question is asking about the means of applying something to the elastomeric modules in order to establish a tight seal in cable transit systems. The correct answer is "Compression". This means that pressure or force is applied to the modules, causing them to tightly seal around the cables, tubes, conduit, and waveguides. This ensures that there are no gaps or leaks in the system, providing a secure and efficient solution for cable management.

66. Cementitious materials are best for what size openings:

Small

Small to medium

Medium

Medium to large

Large

Cementitious materials are best suited for large size openings because they are strong and durable, making them ideal for filling and sealing larger gaps. These materials have the ability to expand and contract, ensuring a secure and long-lasting seal. Additionally, cementitious materials provide excellent adhesion to various surfaces, further enhancing their effectiveness in sealing large openings.

Explanation

Cementitious materials are best suited for large size openings because they are strong and durable, making them ideal for filling and sealing larger gaps. These materials have the ability to expand and contract, ensuring a secure and long-lasting seal. Additionally, cementitious materials provide excellent adhesion to various surfaces, further enhancing their effectiveness in sealing large openings.

67. During a fire, firefighters often vent the roof to:

Prevent the heat buildup

Allow easier access to the fire below

Reduce the possibility of roof collapse

Provide an emergency exit

During a fire, venting the roof serves multiple purposes. Firstly, it helps prevent the buildup of heat by allowing the hot air and smoke to escape, which can help in reducing the intensity of the fire. Secondly, it helps in reducing the possibility of roof collapse by releasing the pressure and heat from the burning structure. By venting the roof, firefighters create a pathway for the heat and smoke to exit, thereby minimizing the risk of structural failure.

Explanation

During a fire, venting the roof serves multiple purposes. Firstly, it helps prevent the buildup of heat by allowing the hot air and smoke to escape, which can help in reducing the intensity of the fire. Secondly, it helps in reducing the possibility of roof collapse by releasing the pressure and heat from the burning structure. By venting the roof, firefighters create a pathway for the heat and smoke to exit, thereby minimizing the risk of structural failure.

Submit

68. Hose stream tests can reach applications of ?

25 lbf/in squared

30 lbf/in squared

45 lbf/in squared

50 lbf/in squared

Hose stream tests can reach applications of 30 lbf/in squared. This means that the force exerted by the hose stream during the test is 30 pounds per square inch. This level of force is sufficient for a variety of applications that require a certain level of pressure, such as firefighting or cleaning tasks.

Explanation

Hose stream tests can reach applications of 30 lbf/in squared. This means that the force exerted by the hose stream during the test is 30 pounds per square inch. This level of force is sufficient for a variety of applications that require a certain level of pressure, such as firefighting or cleaning tasks.

69. Prefabricated intumescent collars are filled with a nontoxic intumescent material, and may be applied to:

Concrete

Equipment racks

Floors

Drywall

Prefabricated intumescent collars filled with a nontoxic intumescent material can be applied to concrete, floors, and drywall. These collars are designed to expand when exposed to heat, forming a protective barrier that helps to prevent the spread of fire and smoke. By applying these collars to concrete, floors, and drywall, potential fire hazards can be mitigated, providing added safety and protection in these areas.

Explanation

Prefabricated intumescent collars filled with a nontoxic intumescent material can be applied to concrete, floors, and drywall. These collars are designed to expand when exposed to heat, forming a protective barrier that helps to prevent the spread of fire and smoke. By applying these collars to concrete, floors, and drywall, potential fire hazards can be mitigated, providing added safety and protection in these areas.

Submit

70. How many types of nonmechanical firestops are there:

5

7

9

11

There are 9 types of nonmechanical firestops.

Explanation

There are 9 types of nonmechanical firestops.

71. For contractor/installer documentation, BICSI recommends that the installer:

Label each penetration upon firestop completion

After labeling, take photo/video of each penetration and submit it to the AHJ

Inspect each firestop after 6 months to ensure no materials have come loose.

The correct answer suggests that for contractor/installer documentation, BICSI recommends labeling each penetration upon firestop completion. Additionally, the installer should take a photo/video of each penetration and submit it to the AHJ (Authority Having Jurisdiction). This ensures proper record-keeping and compliance with regulations. Inspecting each firestop after 6 months is not mentioned in the question or answer.

Explanation

The correct answer suggests that for contractor/installer documentation, BICSI recommends labeling each penetration upon firestop completion. Additionally, the installer should take a photo/video of each penetration and submit it to the AHJ (Authority Having Jurisdiction). This ensures proper record-keeping and compliance with regulations. Inspecting each firestop after 6 months is not mentioned in the question or answer.

Submit

72. Putty is used for what size openings

Small

Small to medium

Medium

Medium to large

Large

Putty is a type of material that is used to seal gaps and fill openings. It is commonly used in construction and woodworking projects. The correct answer, "small to medium," indicates that putty is suitable for sealing openings of various sizes, ranging from small gaps to medium-sized openings. This implies that putty can effectively fill and seal gaps that are not too small or too large, making it a versatile option for a range of applications.

Explanation

Putty is a type of material that is used to seal gaps and fill openings. It is commonly used in construction and woodworking projects. The correct answer, "small to medium," indicates that putty is suitable for sealing openings of various sizes, ranging from small gaps to medium-sized openings. This implies that putty can effectively fill and seal gaps that are not too small or too large, making it a versatile option for a range of applications.

73. The temperature on any unexposed surface can increase no more than ________ + ambient for the T rating.

250 degrees F

300 degrees F

325 degrees F

350 degrees F

The temperature on any unexposed surface can increase no more than 325 degrees F + ambient for the T rating. This means that the maximum temperature that the surface can reach, in addition to the ambient temperature, is 325 degrees F.

Explanation

The temperature on any unexposed surface can increase no more than 325 degrees F + ambient for the T rating. This means that the maximum temperature that the surface can reach, in addition to the ambient temperature, is 325 degrees F.

74. Poke-thru must comply with:

UL-263

UL-258

UL-275

UL-242

The given answer UL-263 refers to a specific compliance standard that Poke-thru must adhere to. UL-263 is a standard set by Underwriters Laboratories (UL) which specifies the requirements for fire tests of building construction and materials. It ensures that the Poke-thru meets the necessary safety standards for fire resistance.

Explanation

The given answer UL-263 refers to a specific compliance standard that Poke-thru must adhere to. UL-263 is a standard set by Underwriters Laboratories (UL) which specifies the requirements for fire tests of building construction and materials. It ensures that the Poke-thru meets the necessary safety standards for fire resistance.

75. Silicone foams are mainly used for ______ openings

Small

Small to medium

Medium

Medium to large

Large

Silicone foams are mainly used for sealing large openings. This is because silicone foams have excellent expansion properties and can effectively fill and seal larger gaps and openings. They provide a strong and durable seal, preventing the entry of air, water, or other substances. Additionally, silicone foams have good resistance to temperature, weathering, and UV radiation, making them suitable for outdoor applications where large openings need to be sealed.

Explanation

Silicone foams are mainly used for sealing large openings. This is because silicone foams have excellent expansion properties and can effectively fill and seal larger gaps and openings. They provide a strong and durable seal, preventing the entry of air, water, or other substances. Additionally, silicone foams have good resistance to temperature, weathering, and UV radiation, making them suitable for outdoor applications where large openings need to be sealed.

76. There are how many fire classifications:

2

3

4

5

There are four fire classifications. This means that fires are categorized into four different classes based on the type of fuel involved and the appropriate extinguishing methods. Each class represents a different type of fire, such as Class A for ordinary combustibles like wood and paper, Class B for flammable liquids, Class C for electrical fires, and Class D for combustible metals.

Explanation

There are four fire classifications. This means that fires are categorized into four different classes based on the type of fuel involved and the appropriate extinguishing methods. Each class represents a different type of fire, such as Class A for ordinary combustibles like wood and paper, Class B for flammable liquids, Class C for electrical fires, and Class D for combustible metals.

77. Air leakage (L) is a required test

True

False

this is an optional test

Explanation

this is an optional test

78. Prefabricated intumescent collars are generally available for items that have an outside diameter of __________ from the manufacturing company.

25 mm (1 in) to 76 mm (3 in)

25 mm (1 in) to 101 mm (4 in)

38 mm (1.5 in) to 101 mm (4 in)

38 mm (1.5 in) to 76 mm (3 in)

Prefabricated intumescent collars are available for items with an outside diameter ranging from 38 mm (1.5 in) to 101 mm (4 in). This means that the collars can be used for items within this size range, providing fire protection and preventing the spread of fire through penetrations in walls or floors.

Explanation

Prefabricated intumescent collars are available for items with an outside diameter ranging from 38 mm (1.5 in) to 101 mm (4 in). This means that the collars can be used for items within this size range, providing fire protection and preventing the spread of fire through penetrations in walls or floors.

79. According to the U.S. fire rating classification. What is the rating symbol for hours

F

T

L

W

The correct answer is "T". The U.S. fire rating classification uses different symbols to represent the number of hours a structure can withstand fire. The "T" symbol is used to indicate the fire resistance rating in hours.

Explanation

The correct answer is "T". The U.S. fire rating classification uses different symbols to represent the number of hours a structure can withstand fire. The "T" symbol is used to indicate the fire resistance rating in hours.

80. Accidental and arson fires can be prevented.

True

False

Accidental fires can be prevented through measures such as practicing fire safety, proper handling of flammable materials, and regular maintenance of electrical systems. However, arson fires, which are intentionally set by individuals, cannot be completely prevented as they are a criminal act. Therefore, the statement that accidental and arson fires can be prevented is false.

Explanation

Accidental fires can be prevented through measures such as practicing fire safety, proper handling of flammable materials, and regular maintenance of electrical systems. However, arson fires, which are intentionally set by individuals, cannot be completely prevented as they are a criminal act. Therefore, the statement that accidental and arson fires can be prevented is false.

81. Which of the following is not a common type of forming or packing material

Intumescent sheets

Mineral wool batt insulation

Glass fiber batt insulation

Ceramic fiber insulation

Foam backer rods

Intumescent sheets are not a common type of forming or packing material. Intumescent materials are primarily used for fire protection and are designed to expand when exposed to heat, creating a barrier against flames and smoke. They are typically used in construction and building applications, such as fire doors or fireproof coatings. In contrast, the other options listed (mineral wool batt insulation, glass fiber batt insulation, ceramic fiber insulation, foam backer rods) are commonly used for insulation or filling gaps and are not specifically designed for fire protection.

Explanation

Intumescent sheets are not a common type of forming or packing material. Intumescent materials are primarily used for fire protection and are designed to expand when exposed to heat, creating a barrier against flames and smoke. They are typically used in construction and building applications, such as fire doors or fireproof coatings. In contrast, the other options listed (mineral wool batt insulation, glass fiber batt insulation, ceramic fiber insulation, foam backer rods) are commonly used for insulation or filling gaps and are not specifically designed for fire protection.

82. Intumescent sheets with a sheet metal backing may be used to seal what size openings:

Small

Small to medium

Medium

Medium to large

Large

Intumescent sheets with a sheet metal backing are designed to expand when exposed to heat, creating a barrier that seals off openings and prevents the spread of fire and smoke. These sheets are typically used in fireproofing applications and are effective in sealing large openings where fire and smoke could potentially pass through. Therefore, the correct answer is "Large" as intumescent sheets with a sheet metal backing can effectively seal large-sized openings.

Explanation

Intumescent sheets with a sheet metal backing are designed to expand when exposed to heat, creating a barrier that seals off openings and prevents the spread of fire and smoke. These sheets are typically used in fireproofing applications and are effective in sealing large openings where fire and smoke could potentially pass through. Therefore, the correct answer is "Large" as intumescent sheets with a sheet metal backing can effectively seal large-sized openings.

83. Long lengths of the metallic collar and intumescent material are available from manufacturers to field fabricate and protect plastic pipe, insulated pipe, and other combustible items up to ________ in diameter.

101 mm (4 in)

152 mm (6 in)

258 mm (10 in)

305 mm (12 in)

Long lengths of the metallic collar and intumescent material are available from manufacturers to field fabricate and protect plastic pipe, insulated pipe, and other combustible items up to 305 mm (12 in) in diameter. This means that the collar and intumescent material can be used to protect items with a diameter of up to 305 mm (12 in) from fire.

Explanation

Long lengths of the metallic collar and intumescent material are available from manufacturers to field fabricate and protect plastic pipe, insulated pipe, and other combustible items up to 305 mm (12 in) in diameter. This means that the collar and intumescent material can be used to protect items with a diameter of up to 305 mm (12 in) from fire.

84. Glass fiber batt insulation melts around?

546 degrees C (1000 degrees F)

649 degrees C (1200 degrees F)

796 degrees C (1500 degrees F)

1093 degrees C (2000 degrees F)

Glass fiber batt insulation is made from glass fibers that are woven into a flexible mat. This type of insulation is commonly used in buildings to reduce heat transfer and improve energy efficiency. The melting point of glass fiber batt insulation is an important factor to consider when designing and installing insulation in a building. The correct answer of 649 degrees C (1200 degrees F) suggests that the insulation will start to melt at this temperature. This information is crucial for ensuring that the insulation is not exposed to temperatures that could cause it to degrade or lose its effectiveness.

Explanation

Glass fiber batt insulation is made from glass fibers that are woven into a flexible mat. This type of insulation is commonly used in buildings to reduce heat transfer and improve energy efficiency. The melting point of glass fiber batt insulation is an important factor to consider when designing and installing insulation in a building. The correct answer of 649 degrees C (1200 degrees F) suggests that the insulation will start to melt at this temperature. This information is crucial for ensuring that the insulation is not exposed to temperatures that could cause it to degrade or lose its effectiveness.

85. Compartmentation limits the spread of fire and smoke by means of:

Fire-resistive floors

Fire-resistive walls

Fire-resistive conduit

Fire-resistive partitions

Compartmentation is a fire safety strategy that involves dividing a building into separate compartments using fire-resistive elements such as floors, walls, and partitions. These fire-resistive components are designed to withstand the spread of fire and smoke, creating barriers that prevent the fire from spreading to other areas of the building. By limiting the spread of fire and smoke, compartmentation helps to protect occupants and property, allowing for safer evacuation and reducing the potential for extensive damage.

Explanation

Compartmentation is a fire safety strategy that involves dividing a building into separate compartments using fire-resistive elements such as floors, walls, and partitions. These fire-resistive components are designed to withstand the spread of fire and smoke, creating barriers that prevent the fire from spreading to other areas of the building. By limiting the spread of fire and smoke, compartmentation helps to protect occupants and property, allowing for safer evacuation and reducing the potential for extensive damage.

Submit

86. Model building codes provide guidelines for establishing fire zones. The guidelines are based on factors that include:

Types of construction

Number of TRs

Occupancy level

Purpose of the building

Exit routes

Model building codes provide guidelines for establishing fire zones based on factors such as the types of construction, occupancy level, purpose of the building, and exit routes. These factors are crucial in determining the level of fire risk and the necessary safety measures that need to be implemented. The type of construction refers to the materials and methods used in building the structure, which can affect its vulnerability to fire. The occupancy level considers the number of people present in the building, as a higher occupancy may require additional fire safety measures. The purpose of the building, whether it is residential, commercial, or industrial, also plays a role in determining the fire safety guidelines. Lastly, the availability and suitability of exit routes are essential for safe evacuation in case of a fire emergency.

Explanation

Model building codes provide guidelines for establishing fire zones based on factors such as the types of construction, occupancy level, purpose of the building, and exit routes. These factors are crucial in determining the level of fire risk and the necessary safety measures that need to be implemented. The type of construction refers to the materials and methods used in building the structure, which can affect its vulnerability to fire. The occupancy level considers the number of people present in the building, as a higher occupancy may require additional fire safety measures. The purpose of the building, whether it is residential, commercial, or industrial, also plays a role in determining the fire safety guidelines. Lastly, the availability and suitability of exit routes are essential for safe evacuation in case of a fire emergency.

Submit

87. Prefabricated intumescent collars are also known as:

Collar chokes

Pipe chokes

Conduit chokes

not-available-via-ai

Explanation

not-available-via-ai

88. Through penetrations for cable tray must be:

Not firestopped to allow additional cables to be added to the tray

Framed out with studs when installed in frame walls

Allow at least 321 mm (6 in) of clearance on all sides of the cable tray

Sealed with a firestopping system that is qualified and installed according to the manufacturer's instructionss

Through penetrations for cable tray must be framed out with studs when installed in frame walls and sealed with a firestopping system that is qualified and installed according to the manufacturer's instructions. This ensures that the cable tray is securely supported and that any openings in the wall are properly sealed to prevent the spread of fire and smoke. The framing with studs provides structural support and stability for the cable tray, while the firestopping system ensures that the penetration is adequately sealed to maintain the fire rating of the wall.

Explanation

Through penetrations for cable tray must be framed out with studs when installed in frame walls and sealed with a firestopping system that is qualified and installed according to the manufacturer's instructions. This ensures that the cable tray is securely supported and that any openings in the wall are properly sealed to prevent the spread of fire and smoke. The framing with studs provides structural support and stability for the cable tray, while the firestopping system ensures that the penetration is adequately sealed to maintain the fire rating of the wall.

Submit

89. Backer rods are inserted into the opening to the proper depth and compressed a minimum of ________ thickness.

20%

25%

30%

45%

50%

Backer rods are used to fill gaps or joints before applying sealants or caulking. They are inserted into the opening to the proper depth and then compressed to create a tight seal. The correct answer of 25% thickness indicates that the backer rod should be compressed to approximately one-quarter of its original thickness. This ensures that the sealant or caulking will properly adhere and create an effective barrier against air, water, and other elements.

Explanation

Backer rods are used to fill gaps or joints before applying sealants or caulking. They are inserted into the opening to the proper depth and then compressed to create a tight seal. The correct answer of 25% thickness indicates that the backer rod should be compressed to approximately one-quarter of its original thickness. This ensures that the sealant or caulking will properly adhere and create an effective barrier against air, water, and other elements.

90. Surviving the dynamics of a fire test depends on the interrelationship between:

Component products and dimensions

Anchoring and installation techniques

Heat resistant features of the product

Both A & B

Both B & C

Surviving the dynamics of a fire test depends on the interrelationship between component products and dimensions, as well as anchoring and installation techniques. The component products and their dimensions play a crucial role in determining the overall strength and stability of a structure during a fire. Similarly, the anchoring and installation techniques ensure that the components are securely fixed and can withstand the effects of fire. Therefore, both A (component products and dimensions) and B (anchoring and installation techniques) are necessary factors for surviving a fire test.

Explanation

Surviving the dynamics of a fire test depends on the interrelationship between component products and dimensions, as well as anchoring and installation techniques. The component products and their dimensions play a crucial role in determining the overall strength and stability of a structure during a fire. Similarly, the anchoring and installation techniques ensure that the components are securely fixed and can withstand the effects of fire. Therefore, both A (component products and dimensions) and B (anchoring and installation techniques) are necessary factors for surviving a fire test.

91. Select the descriptions that appy to the Canadian fire rating classification for the sybol "H"

Indicates the firestops ability to withstand high temperatures

Pertains to hose stream rating

Indicates the firestops ability to withstand hose stream applications

Pertains to temperature

The Canadian fire rating classification for the symbol "H" pertains to hose stream rating and indicates the firestop's ability to withstand hose stream applications.

Explanation

The Canadian fire rating classification for the symbol "H" pertains to hose stream rating and indicates the firestop's ability to withstand hose stream applications.

Submit

92. When referring to firestopping systems, several terms are essentially synonymous, select the term below that does not belong.

Qualified or Approved

Certified

Tested

Listed

Classified

The terms "Qualified," "Approved," "Tested," "Listed," and "Classified" are all essentially synonymous when referring to firestopping systems. However, "Certified" does not belong in this group as it implies a higher level of assurance and compliance compared to the other terms. Certification typically involves a more rigorous evaluation process and may require ongoing maintenance and re-certification to ensure continued compliance with industry standards.

Explanation

The terms "Qualified," "Approved," "Tested," "Listed," and "Classified" are all essentially synonymous when referring to firestopping systems. However, "Certified" does not belong in this group as it implies a higher level of assurance and compliance compared to the other terms. Certification typically involves a more rigorous evaluation process and may require ongoing maintenance and re-certification to ensure continued compliance with industry standards.

93. Poke-thrus are part of UL-264

True

False

Poke thru=UL 263

Explanation

Poke thru=UL 263

94. Which standards are for Fire Tests of Through-Penetration Fire Stops

ASTM E119

ASTM E814

UL 263

UL 1479

ASTM E814 and UL 1479 are the standards for fire tests of through-penetration fire stops. These standards provide guidelines for evaluating the ability of a fire stop system to prevent the spread of fire through penetrations in fire-rated walls and floors. ASTM E814 specifically focuses on the fire resistance of through-penetration fire stops, while UL 1479 provides requirements for fire tests of through-penetration fire stops and fire-resistant joint systems. These standards ensure that through-penetration fire stops meet the necessary criteria to effectively contain and prevent the spread of fire in buildings.

Explanation

ASTM E814 and UL 1479 are the standards for fire tests of through-penetration fire stops. These standards provide guidelines for evaluating the ability of a fire stop system to prevent the spread of fire through penetrations in fire-rated walls and floors. ASTM E814 specifically focuses on the fire resistance of through-penetration fire stops, while UL 1479 provides requirements for fire tests of through-penetration fire stops and fire-resistant joint systems. These standards ensure that through-penetration fire stops meet the necessary criteria to effectively contain and prevent the spread of fire in buildings.

Submit

95. Firestop pillows are temporary.

True

False

Firestop pillows are temporary because they are designed to be used as a temporary fire barrier in openings or penetrations in walls, floors, or ceilings. They are typically made of fire-resistant materials and are used to prevent the spread of fire and smoke for a limited period of time. Once the fire is extinguished or the area is no longer at risk, the pillows can be removed or replaced with a more permanent firestop solution.

Explanation

Firestop pillows are temporary because they are designed to be used as a temporary fire barrier in openings or penetrations in walls, floors, or ceilings. They are typically made of fire-resistant materials and are used to prevent the spread of fire and smoke for a limited period of time. Once the fire is extinguished or the area is no longer at risk, the pillows can be removed or replaced with a more permanent firestop solution.

96. Which of the keys to fire protection are considered active protection.

Prevention

Compartmentation

Detection

Suppression

Detection and suppression are considered active fire protection measures because they involve actively detecting and extinguishing fires. Detection systems, such as smoke detectors or heat sensors, are designed to alert occupants of a building to the presence of a fire. Suppression systems, such as fire sprinklers or fire extinguishers, are designed to actively suppress or extinguish fires once they have been detected. These measures play a crucial role in quickly identifying and controlling fires, minimizing damage, and ensuring the safety of occupants.

Explanation

Detection and suppression are considered active fire protection measures because they involve actively detecting and extinguishing fires. Detection systems, such as smoke detectors or heat sensors, are designed to alert occupants of a building to the presence of a fire. Suppression systems, such as fire sprinklers or fire extinguishers, are designed to actively suppress or extinguish fires once they have been detected. These measures play a crucial role in quickly identifying and controlling fires, minimizing damage, and ensuring the safety of occupants.

Submit

97. A poke-thru must be tested for:

Physical integrity

Mechanical integrity

Electrical integrity

Hydro-mechanical integrity

A poke-thru must be tested for mechanical integrity to ensure that it is structurally sound and can withstand physical stress or damage. This includes checking for any cracks, breaks, or weak points in the poke-thru. Additionally, it must be tested for electrical integrity to ensure that it can safely and effectively conduct electricity without any faults or malfunctions. This involves checking for proper wiring connections, insulation, and grounding.

Explanation

A poke-thru must be tested for mechanical integrity to ensure that it is structurally sound and can withstand physical stress or damage. This includes checking for any cracks, breaks, or weak points in the poke-thru. Additionally, it must be tested for electrical integrity to ensure that it can safely and effectively conduct electricity without any faults or malfunctions. This involves checking for proper wiring connections, insulation, and grounding.

Submit

98. Select all the statements that pertain to the U.S. fire rating classification for air leakage:

Rating is "F"

Indicated a firestops ability to provide an effective smokestop

A higher number is a better rating. The maximum value is 10

Rating is "L"

A lower number is a better rating. The minimum reportable value is less than 1.0

The U.S. fire rating classification for air leakage includes statements that indicate a firestop's ability to provide an effective smokestop, that the rating is "L", and that a lower number is a better rating. It is also mentioned that the minimum reportable value is less than 1.0.

Explanation

The U.S. fire rating classification for air leakage includes statements that indicate a firestop's ability to provide an effective smokestop, that the rating is "L", and that a lower number is a better rating. It is also mentioned that the minimum reportable value is less than 1.0.

Submit

99. Which standards are for Fire Tests of Building Construction and Materials

UL1479

ASTM E119

UL 263

ASTM E814

ASTM E119 and UL 263 are the standards for Fire Tests of Building Construction and Materials. These standards provide guidelines and procedures for conducting fire tests to evaluate the fire resistance of various building elements such as walls, floors, and roofs. ASTM E119 specifically focuses on the fire endurance of structural assemblies, while UL 263 covers fire resistance ratings of building construction assemblies. Both standards are widely recognized and used in the construction industry to ensure the safety and fire performance of buildings.

Explanation

ASTM E119 and UL 263 are the standards for Fire Tests of Building Construction and Materials. These standards provide guidelines and procedures for conducting fire tests to evaluate the fire resistance of various building elements such as walls, floors, and roofs. ASTM E119 specifically focuses on the fire endurance of structural assemblies, while UL 263 covers fire resistance ratings of building construction assemblies. Both standards are widely recognized and used in the construction industry to ensure the safety and fire performance of buildings.

Submit

100. The components of a fire-qualified system must:

Be prepared under direction of a quality control procedure

Be inspected by a quality control inspector

Be periodically verified by an independent quality auditor

Bear the listing mark of the quality auditor

The correct answer is that the components of a fire-qualified system must be prepared under the direction of a quality control procedure, be periodically verified by an independent quality auditor, and bear the listing mark of the quality auditor. This means that the components need to go through a specific process guided by a quality control procedure to ensure they meet the necessary standards for fire safety. They also need to be regularly checked and verified by an independent quality auditor to maintain their compliance. Finally, they should bear the listing mark of the quality auditor as a visible indication of their qualification.

Explanation

The correct answer is that the components of a fire-qualified system must be prepared under the direction of a quality control procedure, be periodically verified by an independent quality auditor, and bear the listing mark of the quality auditor. This means that the components need to go through a specific process guided by a quality control procedure to ensure they meet the necessary standards for fire safety. They also need to be regularly checked and verified by an independent quality auditor to maintain their compliance. Finally, they should bear the listing mark of the quality auditor as a visible indication of their qualification.

Submit

101. The modified hydrocarbon H curve peaks at 1093 degrees C (2000 degrees F) in the first _ minutes and is mandated by _____.

30 minutes

10 minutes

3 minutes

IEEE

US Navy

The modified hydrocarbon H curve peaks at 1093 degrees C (2000 degrees F) in the first 3 minutes and is mandated by the US Navy.

Explanation

The modified hydrocarbon H curve peaks at 1093 degrees C (2000 degrees F) in the first 3 minutes and is mandated by the US Navy.

Submit

102. Some electrical apparatus are tested under exposure to fire and qualified for use in fire-rated assemblies. These items are designed so that no additional firestopping is needed, other than normal patching where the item penetrates a fire-rated assembly. These items include:

Boxes

Junction boxes

Telecommunications outlets

Breaker panels

Fixtures

The correct answer includes boxes, junction boxes, breaker panels, and fixtures. These electrical apparatus are designed to be tested under exposure to fire and are qualified for use in fire-rated assemblies. They are specifically designed to not require any additional firestopping measures, except for normal patching where they penetrate a fire-rated assembly. Therefore, these items can be safely used in fire-rated assemblies without the need for extra firestopping measures.

Explanation

The correct answer includes boxes, junction boxes, breaker panels, and fixtures. These electrical apparatus are designed to be tested under exposure to fire and are qualified for use in fire-rated assemblies. They are specifically designed to not require any additional firestopping measures, except for normal patching where they penetrate a fire-rated assembly. Therefore, these items can be safely used in fire-rated assemblies without the need for extra firestopping measures.

Submit

103. The H curve is the required performance curve for:

Large office buildings

Petrochemical plants

Refineries

Manufacturing plants

Off-shore platforms

The H curve is the required performance curve for petrochemical plants, refineries, and off-shore platforms. This curve represents the relationship between the head (pressure) and flow rate of a pump. It is used to determine the pump's efficiency and performance characteristics in handling fluids in these specific industries. Large office buildings and manufacturing plants do not typically require the use of the H curve as their pumping systems and fluid handling needs are different.

Explanation

The H curve is the required performance curve for petrochemical plants, refineries, and off-shore platforms. This curve represents the relationship between the head (pressure) and flow rate of a pump. It is used to determine the pump's efficiency and performance characteristics in handling fluids in these specific industries. Large office buildings and manufacturing plants do not typically require the use of the H curve as their pumping systems and fluid handling needs are different.

Submit

104. Fire zones can vary in size, including:

A single compartment where unusual fire hazards exist

Several floors in a building

Areas encompassing many rooms or an entire floor

Several buildings in a campus environment

The correct answer includes two different types of fire zones: a single compartment where unusual fire hazards exist and areas encompassing many rooms or an entire floor. This suggests that fire zones can vary in size and can range from a small compartment with specific fire risks to larger areas that cover multiple rooms or an entire floor.

Explanation

The correct answer includes two different types of fire zones: a single compartment where unusual fire hazards exist and areas encompassing many rooms or an entire floor. This suggests that fire zones can vary in size and can range from a small compartment with specific fire risks to larger areas that cover multiple rooms or an entire floor.

Submit

105. Mechanical firestop systems are considered highly durable, while providing:

Reliable pressure and environmental sealing

Cost effective barriers

Support for penetrating elements

EMI/EMP capabilities

Explosion proof integrity

Mechanical firestop systems are highly durable and provide reliable pressure and environmental sealing. This means that they can effectively prevent the spread of fire and smoke by creating a barrier that can withstand high pressure and maintain a seal against environmental factors such as water, air, and dust. Additionally, these systems also offer support for penetrating elements, such as pipes and cables, ensuring that fire does not spread through these openings. They also have EMI/EMP capabilities, meaning they can protect against electromagnetic interference and electromagnetic pulses. Overall, mechanical firestop systems are a cost-effective solution that offers reliable protection against fire and other hazards.

Explanation

Mechanical firestop systems are highly durable and provide reliable pressure and environmental sealing. This means that they can effectively prevent the spread of fire and smoke by creating a barrier that can withstand high pressure and maintain a seal against environmental factors such as water, air, and dust. Additionally, these systems also offer support for penetrating elements, such as pipes and cables, ensuring that fire does not spread through these openings. They also have EMI/EMP capabilities, meaning they can protect against electromagnetic interference and electromagnetic pulses. Overall, mechanical firestop systems are a cost-effective solution that offers reliable protection against fire and other hazards.

Submit

106. The information transport systems (ITS) installer must abide by which articles in the NEC, 2005 edition.

800.4 Definitions abandoned communications cable. Installed comm. cable that is not terminated at both ends, no id tags

800.2 Definitions- abandoned communications cable. Installed comm. cable that is not terminated at both ends, no id tags

810.154 Applications Abandoned cables shall not be permitted to remain

802.1 Definitions abandoned communications cable. Installed comm. cable that is not terminated at both ends, no id tags

800.154 Applications Abandoned cables shall not be permitted to remain

The correct answer is 800.2 Definitions- abandoned communications cable and 800.154 Applications Abandoned cables shall not be permitted to remain. These articles in the NEC, 2005 edition provide definitions for abandoned communications cable and state that such cables should not be allowed to remain. This means that the ITS installer must ensure that any installed communication cables that are not terminated at both ends and do not have identification tags should be removed or properly terminated.

Explanation

The correct answer is 800.2 Definitions- abandoned communications cable and 800.154 Applications Abandoned cables shall not be permitted to remain. These articles in the NEC, 2005 edition provide definitions for abandoned communications cable and state that such cables should not be allowed to remain. This means that the ITS installer must ensure that any installed communication cables that are not terminated at both ends and do not have identification tags should be removed or properly terminated.

Submit

107. For the application of Time-Temperature curves for ratings up to three hours an "A" curve is used. The "A" curve is mandated by:

CAN/ULC-S115 "Fire Tests of Firestop Systems"

ASTM E118 "Standard Test Methods for Fire Tests of Building Construction and Materials."

ASTM E119 "Standard Test Methods for Fire Tests of Building Construction and Materials."

UL 1479

The "A" curve is mandated by CAN/ULC-S115 "Fire Tests of Firestop Systems", ASTM E119 "Standard Test Methods for Fire Tests of Building Construction and Materials.", and UL 1479. These standards require the use of the "A" curve for time-temperature curves for ratings up to three hours. This indicates that these organizations recognize the "A" curve as the appropriate standard for evaluating the fire resistance of building construction and materials.

Explanation

The "A" curve is mandated by CAN/ULC-S115 "Fire Tests of Firestop Systems", ASTM E119 "Standard Test Methods for Fire Tests of Building Construction and Materials.", and UL 1479. These standards require the use of the "A" curve for time-temperature curves for ratings up to three hours. This indicates that these organizations recognize the "A" curve as the appropriate standard for evaluating the fire resistance of building construction and materials.

Submit

RCDD Chapter 7 Firestopping

1. According to tests and field observations, seals made of grout or plaster may crack, fracture or fail, or be extremely difficult to re-penetrate.

2.

What first name or nickname would you like us to use?

2. Firestopping of ceiling penetrations is especially critical.

3. One purpose of every major building code is to reduce the threat of fire.

4. When choosing a seal system the designer should use good engineering judgement in relating the configuration and features of a seal to the application.

5. According to tests and field observations, seals made of grout or plaster may crack, fracture, or be extremely difficult to re-penetrate.

6. Do not use solvent-based caulk seals that may give off toxic or noxious fumes in confined areas that are not well ventilated.

7. Nonmechanical firestop materials are available in the form of:

8. Several types of mechanical systems have been developed and marketed. Three common categories include:

9. What is the process of dividing a structure into fire zones:

10. A preferred solution to firestopping existing penetrations is to use a ____________ system assembly that can be installed around the existing cables without interrupting service.

11. Some comon types of forming or packing materials include:

12. The plenum shield is a high-temperature ceramic blanket.

13. Some firestop materials are available in a cementitious form. These materials are:

14. Some firestop caulk materials are:

15. Firestop caulks may vary in composition and may be:

16. A firestop is a special seal designed and tested to restore what:

17. Study picture on page 7-99 (Intumescent block)

18. Study pictures on page 7-64 (Drywall with steel pipes or conduit) and 7-65 (Drywall with cable)

19. The keys to fire protection are:

20. Firestop systems can be roughly divided into two broad categories:

21. In many cases, firestop seals may be required to perform secondary safety or security functions such as:

22. What is a critical requirement for reducing the severity of fire loss.

23. Controlling the movement of smoke and toxic fumes is a vital function of:

24. Firestops are a vital part of any fully implemented ______________ system.

25. Intumescent materials:

26. What may be required to perform secondary safety or security functions:

27. Firestops are more correctly called through-penetration firesop systems.

28. The ring outside of the pipe or cable being protected and inside the hole or sleeve system is known as:

29. Water resistance (W) is an optional test

30. Concrete has an F rating of

31. Which type of material absorbs heat

32. One layer of drywall provides an F rating of

33. Active systems rely on what.

34. Silicone foams are mainly used for ___________ openings.

35. Putty is an excellent choice for applications in __________ openings where future entry is required.

36. A membrane penetration is made when a pipe, conduit, cable, or other service element breeches what:

37. Which of the keys to fire protection are considered passive protection.

38. Pillows may not be used for a permanent installation

39. An electrical apparatus should not penetrate drywall, which is not qualified for use in fire-rated assemblies with multiple penetrations exceeding _________ in surface area per 9.3 sq m (100sq ft) of wall area.

40. An electrical apparatus should not penetrate drywall, which is not qualified for use in fire-rated assemblies with individual penetrations exceeding _________ in surface area of one face of a stud wall.

41. Firestop putty is also available in the form of a _________.

42. NRTL stands for:

43. For international standards, "E" ratings are __________ ratings, which are similar to "F" ratings in the United States.

45. What is considered the first line of defense against fires:

46. The Canadian H (hose stream rating) is part of the U.S. F rating

47. Common mechanical firestop systems are:

48. If the floor or ceiling is made of wood, what firestopping method should be used?

49. Intumescent sheets with a sheet metal backing may be used to seal _____ openings for cable, conduit, metal, or nonmetallic pipe.

50. Bags should always be installed with what:

51. 2 layers of drywall provide an F rating of

52. Factory-fabricated sleeve systems provide all of the following except:

53. You can substitute ordinary grout for a cementitious firestop.

54. For water resistance (W) the system is subjected to a pressure head of _______ of water to determine whether any water leakage occurs

55. Pillows cannot be used in place of a fire watch.

56. Firestop caulk or sealant is a good choice for permanent installation in what size openings

57. For a construction or renovation project, firestop systems should be selected based on: (Which of the following to not belong)

58. The "H" curve reaches ___________ at the 30 minute mark and remains there for the duration of the test

59. What test standard is used to qualify or test membrane penetration firestops.

60. Additional testing may be required to confirm that the firestop can perform other functions, including: (which one does not belong)

61. Pillows, blocks, and bags represent a class of products that are frequently used in what size opening.

62. When a steel sleeve membrane penetration system is used with drywall, what is the F rating?

63. Concrete floors or walls have an F rating of:

64. The guidelines for firestopping penetrations in hollow lath and plaster are_______ to the guidelines for drywall.

65. Cable transit systems consist of premanufactured elastromeric components shaped to fit around standard cables, tubes, conduit and waveguides. Whether or not frames are included with the elastomeric system, some means of applying ________ to the modules is required to establish a tight seal.

66. Cementitious materials are best for what size openings:

67. During a fire, firefighters often vent the roof to:

68. Hose stream tests can reach applications of ?

69. Prefabricated intumescent collars are filled with a nontoxic intumescent material, and may be applied to:

70. How many types of nonmechanical firestops are there:

71. For contractor/installer documentation, BICSI recommends that the installer:

72. Putty is used for what size openings

73. The temperature on any unexposed surface can increase no more than ________ + ambient for the T rating.

74. Poke-thru must comply with:

75. Silicone foams are mainly used for ______ openings

76. There are how many fire classifications:

77. Air leakage (L) is a required test

78. Prefabricated intumescent collars are generally available for items that have an outside diameter of __________ from the manufacturing company.

101. The modified hydrocarbon H curve peaks at 1093 degrees C (2000 degrees F) in the first _ minutes and is mandated by _____.