A Knowledge Quiz On Fire Inspection And Code Enforcement Part II
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Building codes typically allow a reduction in the hourly rating of fire walls when the building:
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Utilizes compartmentalization
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Is equipped with sprinkler system
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Is built using fire-resistive construction
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Here is a part II to "A Knowledge Quiz On Fire Inspection And Code Enforcement!" Fire is one of the major risks that are facing a building, and this being said, there should be some measures that are put in place to contain it or reduce the chances of it happening. Being that you are training to be a fire See moreinspector, you need to understand the basics of fire inspection and code enforcement. Take it up and see what you know.
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- 2.
How must steel that has been incorporated into a fire wall be protected in steel-frame buildings?
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It is required to be enclosed within a fire-rated structure.
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It must be protected with spray-on insulation or other barriers.
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It must provide the same degree of fire resistance as the fire wall.
Correct Answer
A. It must provide the same degree of fire resistance as the fire wall.Explanation
Steel that has been incorporated into a fire wall must provide the same degree of fire resistance as the fire wall. This means that the steel must be able to withstand the same level of heat and fire exposure as the fire wall itself. This ensures that the steel will not weaken or fail during a fire, maintaining the integrity and effectiveness of the fire wall in containing and preventing the spread of fire.Rate this question:
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- 3.
What special treatments are required when a combustible structural member penetrates through a fire wall?
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They must be enclosed in a fire-resistive structure.
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Combustible members must be treated with fire-resistive coatings.
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No combustible structural members may penetrate a fire wall.
Correct Answer
A. No combustible structural members may penetrate a fire wall.Explanation
When a combustible structural member penetrates through a fire wall, it poses a risk of fire spread. Therefore, the correct answer states that no combustible structural members may penetrate a fire wall. This means that any structural member that is made of combustible materials, such as wood or certain types of metals, should not be allowed to pass through a fire wall. This ensures that the fire wall maintains its integrity and effectively prevents the spread of fire between different areas of a building.Rate this question:
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- 4.
When are either automatic or self-closing fire doors required?
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When the facility is not sprinklered
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In fire walls rated at 2 hours or more
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When the doors are located in fire walls
Correct Answer
A. When the doors are located in fire wallsExplanation
Automatic or self-closing fire doors are required when they are located in fire walls. Fire walls are designed to prevent the spread of fire and are typically rated for a certain amount of time, such as 2 hours or more. By having automatic or self-closing fire doors in these fire walls, it ensures that in the event of a fire, the doors will close automatically to contain the fire and prevent it from spreading to other areas of the facility.Rate this question:
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- 5.
Under what conditions are ducts in heating, ventilation, and air-conditioning (HVAC) systems required to be equipped with fire and smoke dampers?
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When a duct penetrates a fire wall, regardless of the fire-resistance rating.
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When the duct penetrates a fire wall with a 2 hour or greater fire resistance rating
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If building is greater than three stories and not fire-resistive or noncombustible construction
Correct Answer
A. When the duct penetrates a fire wall with a 2 hour or greater fire resistance rating -
- 6.
Which of the following items is prohibited by codes?
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Breaching the party wall for any reason
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Installing a non-fire rated door in a party wall
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Attaching any exterior structure to the party wall
Correct Answer
A. Breaching the party wall for any reasonExplanation
Breaching the party wall for any reason is prohibited by codes. This means that it is not allowed to break or damage the wall that separates two adjoining properties, regardless of the purpose or reason. Codes typically require that party walls remain intact to ensure the structural integrity and safety of the buildings involved. Therefore, any action that involves breaching or damaging the party wall would be in violation of these codes.Rate this question:
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- 7.
When constructing fire partitions and barriers in fire-resistive structures, which of the following is a common method used?
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Using 1/2 inch (13mm) fire-rated gypsum board applied to both sides of 2 1/2 inch (65mm) steel studs
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Using concrete block with 1/2 inch (13mm) fire rated gypsum board applied to both sides
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Using 1/2 inch (13mm) fire-rated gypsum board applied to fire-retardant treated 2 inch by 4 inch lumber
Correct Answer
A. Using 1/2 inch (13mm) fire-rated gypsum board applied to both sides of 2 1/2 inch (65mm) steel studsExplanation
The common method used when constructing fire partitions and barriers in fire-resistive structures is to use 1/2 inch (13mm) fire-rated gypsum board applied to both sides of 2 1/2 inch (65mm) steel studs. This method provides a strong and fire-resistant structure that can help contain and prevent the spread of fire. The fire-rated gypsum board acts as a barrier, while the steel studs provide structural support. This combination of materials is commonly used in the construction industry to meet fire safety requirements.Rate this question:
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- 8.
What is the design function of a curtain wall?
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To provide fire separation between major interior areas.
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To separate interior spaces from other interior spaces
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To separate the interior environment from the exterior environment
Correct Answer
A. To separate the interior environment from the exterior environmentExplanation
The design function of a curtain wall is to separate the interior environment from the exterior environment. Curtain walls are non-structural, lightweight, and typically made of glass, metal, or stone. They are used in modern architecture to create a barrier between the inside and outside of a building while allowing natural light to enter. By separating the interior and exterior environments, curtain walls help to control temperature, noise, and air infiltration, while also providing aesthetic appeal.Rate this question:
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- 9.
Which of the following is the primary use of fire-rated movable partitions?
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To separate processes in industrial occupancies
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To separate dissimilar areas within a single storage facility
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To temporarily separate difference functions within a building.
Correct Answer
A. To temporarily separate difference functions within a building.Explanation
Fire-rated movable partitions are primarily used to temporarily separate different functions within a building. These partitions are designed to provide fire resistance and prevent the spread of fire between different areas or functions. They can be easily moved and reconfigured to create flexible spaces within a building, allowing for efficient use of the available space. This is especially useful in buildings that require versatile layouts, such as conference centers, exhibition halls, or multipurpose event spaces. By using fire-rated movable partitions, different functions can be temporarily separated while still ensuring the safety of occupants in case of a fire.Rate this question:
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- 10.
From a fire protection perspective, what is the most important factor about trusses?
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Trusses have a proven record of fire safety and are allowed by code for all applications.
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Trusses are typically protected by insulation and thus do not pose a danger to fire crews.
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Trusses use less material and are lighter than a comparable beam or joist for an equal span.
Correct Answer
A. Trusses use less material and are lighter than a comparable beam or joist for an equal span.Explanation
Trusses use less material and are lighter than a comparable beam or joist for an equal span. This is important from a fire protection perspective because in the event of a fire, trusses are less likely to collapse due to their lighter weight. This allows for safer evacuation of occupants and easier access for fire crews to extinguish the fire. Additionally, the use of less material in trusses reduces the fuel load in a building, decreasing the intensity and spread of a fire.Rate this question:
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- 11.
When considering the flame resistance of wood flooring, which of the following statements is MOST accurate?
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Verify with the builder than the finishing material on the flooring will be non-combustible after drying.
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Ensure that the manufacturer has had the flooring tested and that it has a rating of less than 100
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Consult the manufacturer before accepting wood flooring where flame spread is an important factor
Correct Answer
A. Consult the manufacturer before accepting wood flooring where flame spread is an important factorExplanation
The most accurate statement when considering the flame resistance of wood flooring is to consult the manufacturer before accepting wood flooring where flame spread is an important factor. This is because the manufacturer will have the necessary information about the flame resistance of the flooring and can provide guidance on whether it meets the required standards for flame spread. It is important to consult the manufacturer to ensure that the wood flooring is suitable for the specific application and meets the necessary safety requirements.Rate this question:
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- 12.
Which of the following are considered excellent building materials because of their fire resistance?
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Steel and wood
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Concrete and masonry
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Steel and brick
Correct Answer
A. Concrete and masonryExplanation
Concrete and masonry are considered excellent building materials because of their fire resistance. Concrete has a high resistance to fire due to its low thermal conductivity, which means it does not conduct heat easily. Additionally, concrete does not burn or release toxic gases when exposed to fire. Masonry, which includes materials like bricks and blocks, also has good fire resistance properties. The density and thickness of masonry materials provide a barrier against the spread of fire and can withstand high temperatures for a longer duration. Therefore, concrete and masonry are preferred choices in construction to enhance fire safety.Rate this question:
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- 13.
If a vertical penetration of a floor is designed into a building, what do codes require for enclosing that penetration?
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The penetration must be enclosed in a fire-resistive enclosure.
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The penetration is required to be enclosed with a four-hour wall.
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The penetration must be enclosed only above the second floor.
Correct Answer
A. The penetration must be enclosed in a fire-resistive enclosure.Explanation
Codes require that a vertical penetration of a floor in a building be enclosed in a fire-resistive enclosure. This is necessary to prevent the spread of fire and smoke through the penetration, ensuring the safety of occupants and minimizing damage to the building. Fire-resistive enclosures are designed to withstand fire for a specified period of time, allowing for safe evacuation and giving firefighters time to control the fire. Enclosing the penetration in a fire-resistive enclosure helps to contain the fire and limit its spread, protecting the integrity of the building and its occupants.Rate this question:
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- 14.
When the space above a ceiling is designed as a return-air plenum, which of the following must the inspector ensure?
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The space above the ceiling is protected by the sprinkler system.
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The enclosure for the ceiling is constructed with a 2 hour rating.
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Wires, ducts, pipes, and other materials are noncombustible or rated for plenum use
Correct Answer
A. Wires, ducts, pipes, and other materials are noncombustible or rated for plenum useExplanation
The inspector must ensure that wires, ducts, pipes, and other materials in the space above the ceiling are noncombustible or rated for plenum use. This is important because the space above a ceiling designed as a return-air plenum can potentially become a pathway for the spread of fire or smoke. Therefore, it is necessary to use materials that are either noncombustible or specifically rated for use in plenum spaces to minimize the risk of fire hazards.Rate this question:
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- 15.
When are stairs required to be protected or enclosed?
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In fire-resistive or noncombustible construction
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Any time they serve more than three floors
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When they are part of the means of egress
Correct Answer
A. When they are part of the means of egressExplanation
Stairs are required to be protected or enclosed when they are part of the means of egress. This is because during an emergency situation, such as a fire, stairs are often used as a primary means for people to exit a building. By protecting or enclosing the stairs, it helps to prevent the spread of fire and smoke, ensuring a safe and clear path for people to evacuate the building.Rate this question:
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- 16.
Both the NFPA and International Code Council codes require stair rise and run widths of what size?
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3 to 6 inches stair rise and 9 inches stair run
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4 to 7 inches stair rise and 11 inches stair run
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5 to 7 inches stair rise and 12 inches stair run
Correct Answer
A. 4 to 7 inches stair rise and 11 inches stair runExplanation
The correct answer is 4 to 7 inches stair rise and 11 inches stair run. Both the NFPA and International Code Council codes specify these dimensions for stair rise and run widths. This ensures that stairs are safe and comfortable for users, allowing for a gradual ascent or descent without excessive strain on the legs. The range of 4 to 7 inches for stair rise provides a reasonable step height, while the 11 inches stair run allows for a sufficient tread depth for secure footing.Rate this question:
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- 17.
What determines the required rating for a protected stairway?
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Occupancy load
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Building contractions
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Building height
Correct Answer
A. Building heightExplanation
The required rating for a protected stairway is determined by the building height. The taller the building, the higher the required rating for the stairway. This is because taller buildings typically require more time for evacuation in case of emergencies, so the stairway needs to provide a higher level of protection to ensure the safety of occupants. Building contractions and occupancy load may also influence the design and layout of the stairway, but they do not directly determine the required rating.Rate this question:
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- 18.
When inspecting fire escapes, to what should inspectors pay close attention?
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Means of egress
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Access to the roof and ground
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Signs of structural deterioration
Correct Answer
A. Signs of structural deteriorationExplanation
Inspectors should pay close attention to signs of structural deterioration when inspecting fire escapes. This is important because any signs of weakness or deterioration in the structure of the fire escape could compromise its ability to provide a safe means of egress during an emergency. By identifying and addressing any signs of structural deterioration, inspectors can help ensure that the fire escape remains strong and reliable for use in case of a fire or other emergency situation.Rate this question:
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- 19.
What is the purpose of mechanical ventilation systems designed into enclosed stairways?
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To dilute any smoke entering and make access for firefighters easy
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To pull smoke out of the stairway to make exiting easier.
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To pressurize the stairway and prevent smoke from entering.
Correct Answer
A. To pressurize the stairway and prevent smoke from entering.Explanation
The purpose of mechanical ventilation systems designed into enclosed stairways is to pressurize the stairway and prevent smoke from entering. By maintaining a higher air pressure inside the stairway compared to the surrounding areas, the ventilation system ensures that smoke is kept out, allowing for a safe and clear exit route for occupants during a fire emergency. This helps to protect individuals from the harmful effects of smoke inhalation and facilitates the work of firefighters by reducing the risk of smoke spreading throughout the building.Rate this question:
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- 20.
What type of door is generally required as an exit door in a means of egress?
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Fire-rated doors
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Solid core doors
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Swinging doors
Correct Answer
A. Swinging doorsExplanation
Swinging doors are generally required as exit doors in a means of egress. This is because swinging doors can easily be pushed or pulled open, allowing for quick and efficient evacuation during an emergency. Fire-rated doors may be used in certain areas where fire protection is necessary, but they are not always required as exit doors. Solid core doors may provide some level of durability and security, but they may not be as easily opened in emergency situations. Therefore, swinging doors are the most suitable choice for exit doors in a means of egress.Rate this question:
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- 21.
Under which of the following conditions can a sliding door be used?
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Only in residential or healthcare occupancies
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Under the same conditions as swinging doors
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In any appropriate location that is not part of the means of egress
Correct Answer
A. In any appropriate location that is not part of the means of egressExplanation
A sliding door can be used in any appropriate location that is not part of the means of egress. This means that it can be used in areas such as hallways, rooms, or other spaces where it does not obstruct the path of exit in case of an emergency. Unlike swinging doors, sliding doors do not require additional space to open and close, making them a suitable choice for areas with limited space. Additionally, sliding doors can be used in various occupancies, including residential, healthcare, commercial, or industrial settings, as long as they meet the necessary safety and accessibility requirements.Rate this question:
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- 22.
Which of the following is an important factor in determining if a vertical fire door is allowed?
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When the opening is too large for a swinging door
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When a fire rating of 4 hours or more is needed for a large opening
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For applications where doors are NOT part of the required means of egress
Correct Answer
A. For applications where doors are NOT part of the required means of egressExplanation
The correct answer is "For applications where doors are NOT part of the required means of egress." This means that if the door is not necessary for people to exit the building in case of an emergency, then a vertical fire door may be allowed. The other options mention specific situations where a vertical fire door may be needed, but this answer highlights a general scenario where it may be allowed.Rate this question:
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- 23.
From a fire protection perspective, which of the following is a disadvantage of hollow-core doors?
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They have minimal thermal or sound-insulating value.
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They are typically filled with foam that contributes to the fire load.
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They have hardware and latching mechanisms that fail early in a fire.
Correct Answer
A. They have minimal thermal or sound-insulating value.Explanation
Hollow-core doors have minimal thermal or sound-insulating value, which means they do not provide effective insulation against heat or sound. This can be a disadvantage from a fire protection perspective because it allows heat and sound to easily pass through the door, potentially spreading the fire and its accompanying hazards to other areas of a building.Rate this question:
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- 24.
What does the hourly fire-protection rating of doors indicate?
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The length of time before the door is breached by fire.
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The length of time before the door allows smoke through
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The length of time before the door allows intermittent flame
Correct Answer
A. The length of time before the door is breached by fire.Explanation
The hourly fire-protection rating of doors indicates the length of time before the door is breached by fire. This means that the door is designed and tested to withstand fire for a certain period of time, providing a barrier to prevent the fire from spreading to other areas. The higher the fire-protection rating, the longer the door can resist the fire, giving occupants more time to evacuate and firefighters more time to control the situation.Rate this question:
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- 25.
Which of the following do rolling steel fire doors and horizontal sliding fire doors have in common as related to the means of egress?
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They cannot be used in openings that are part of the means of egress.
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They are required to have swinging doors located within 50 feet
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They must be operated by gravity and be triggered by smoke alarms.
Correct Answer
A. They cannot be used in openings that are part of the means of egress.Explanation
Rolling steel fire doors and horizontal sliding fire doors have in common that they cannot be used in openings that are part of the means of egress. This means that these types of doors cannot be used as exit doors or in any other openings that are designated as part of the path of travel to safely exit a building in case of a fire or emergency. These doors must be kept clear and unobstructed to ensure a safe and unimpeded means of egress for building occupants.Rate this question:
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- 26.
What is the Steiner Tunnel Test most commonly used to test?
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Vertical flame spread
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Surface burning characteristics
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Burn through time of doors
Correct Answer
A. Surface burning characteristicsExplanation
The Steiner Tunnel Test is most commonly used to test the surface burning characteristics of materials. This test measures the flame spread of a material when exposed to a controlled flame source. It evaluates the rate at which the flame spreads across the material's surface and provides information on its flammability. By conducting this test, manufacturers and regulatory bodies can determine the fire safety properties of various materials and make informed decisions regarding their use in construction and other applications.Rate this question:
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- 27.
The flame spread rating developed in the tunnel test does not apply to which of the following items?
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Ceiling coverings
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Door coverings
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Floor coverings
Correct Answer
A. Floor coveringsExplanation
The flame spread rating developed in the tunnel test does not apply to floor coverings. This rating is a measure of how quickly flames spread across a material's surface. While ceiling and door coverings can be evaluated using this test, floor coverings are typically tested using different methods, such as the radiant panel test. Therefore, the flame spread rating developed in the tunnel test is not applicable to floor coverings.Rate this question:
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- 28.
In addition to flame-spread ratings, what other measurement does the tunnel test provide?
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Toxicity-rating
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Fire intensity rating
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Smoke-developed rating
Correct Answer
A. Smoke-developed ratingExplanation
The tunnel test, in addition to flame-spread ratings, also provides a measurement called the smoke-developed rating. This rating indicates the amount of smoke that is developed during a fire. It is an important measurement as smoke can be highly dangerous and can hinder evacuation efforts in case of a fire. The smoke-developed rating helps in assessing the potential risk and impact of a fire by considering the amount of smoke produced.Rate this question:
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- 29.
Which of the following is a disadvantage of fire retardant coatings?
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Contractors may attempt to use them as inexpensive cures for fire-protection shortcomings?
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Fire retardant coatings deteriorate over time and become less capable of retarding fire.
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Fire retardant coatings are corrosive and only suitable for a limited number of surfaces.
Correct Answer
A. Contractors may attempt to use them as inexpensive cures for fire-protection shortcomings?Explanation
The given answer states that a disadvantage of fire retardant coatings is that contractors may attempt to use them as inexpensive cures for fire-protection shortcomings. This implies that some contractors may misuse these coatings as a cheap alternative to proper fire protection measures, which can compromise the safety of a building or structure. It highlights the potential for misuse or improper application of fire retardant coatings, which can lead to inadequate fire protection.Rate this question:
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- 30.
What do model codes require in practically every hoistway built today?
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Smoke alarms
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Venting to the top
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Sprinkler systems
Correct Answer
A. Venting to the topExplanation
Model codes require venting to the top in practically every hoistway built today. This is because venting to the top allows for the release of smoke and heat in the event of a fire, helping to prevent the build-up of dangerous gases and reducing the risk of fire spreading throughout the building. Venting to the top also aids in the ventilation of the hoistway, ensuring a safe environment for occupants and emergency responders.Rate this question:
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- 31.
Which of the following is a code specification for elevator hoistways?
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Sprinkler heads must protect the shaft and appropriate suppression systems must protect the motor.
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No wiring, ductwork, or piping should be run within the hoistway unless it is required for the elevator.
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Hoistways must be an essential element of the structure's strength and compartmentalized to reduce fire spread.
Correct Answer
A. No wiring, ductwork, or piping should be run within the hoistway unless it is required for the elevator.Explanation
The correct answer states that no wiring, ductwork, or piping should be run within the hoistway unless it is required for the elevator. This specification is important for safety reasons. The hoistway is the vertical shaft where the elevator car moves, and it needs to be clear of any obstructions to ensure the safe operation of the elevator. Running wiring, ductwork, or piping within the hoistway can increase the risk of damage to these components and can potentially interfere with the movement of the elevator car. Therefore, it is necessary to avoid any unnecessary installations within the hoistway.Rate this question:
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- 32.
Why is it important for inspector to have a thorough understanding of utility chases and vertical shafts in buildings?
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They can provide a vertical path of smoke and fire as well as serve as the area of origin
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Dampers and other devices must be inspected and tested during annual fire inspections.
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Most of the building utilities run through chases and shafts and must be included in an inspection
Correct Answer
A. They can provide a vertical path of smoke and fire as well as serve as the area of originExplanation
It is important for an inspector to have a thorough understanding of utility chases and vertical shafts in buildings because they can provide a vertical path for smoke and fire to spread. Additionally, these areas can serve as the origin of a fire, making it crucial for inspectors to inspect and test dampers and other devices during annual fire inspections. Furthermore, most building utilities run through chases and shafts, so they must be included in an inspection to ensure their proper functioning and safety.Rate this question:
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- 33.
Beyond the requirement of being enclosed in a fire-rated enclosure, what other requirements may be imposed on a refuse chute?
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Automatic sprinklers at the top and in its termination room
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Noncombustible containers and wetting sprays for collected refuse
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A vacuum-operated drop system that isolates individual waste deposit sites.
Correct Answer
A. Automatic sprinklers at the top and in its termination roomExplanation
In addition to being enclosed in a fire-rated enclosure, a refuse chute may also be required to have automatic sprinklers installed at the top and in its termination room. This is important for fire safety as the sprinklers can help to suppress any potential fires that may occur in the chute. By having sprinklers in both locations, any fire that starts at the top or in the termination room can be quickly extinguished, preventing it from spreading to other areas of the building. This additional requirement ensures that the refuse chute is equipped with proper fire suppression measures to protect the building and its occupants.Rate this question:
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- 34.
Why is it important that a grease duct system not include any dips or horizontal runs?
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So that the dampers work properly in case of fire.
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So that smoke and heat will rise out of the duct system.
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To prevent any areas where grease can become trapped.
Correct Answer
A. To prevent any areas where grease can become trapped.Explanation
A grease duct system should not include any dips or horizontal runs to prevent any areas where grease can become trapped. Grease buildup in the duct system can pose a serious fire hazard. By ensuring that there are no dips or horizontal runs, the grease is less likely to accumulate and create a potential fire risk. Additionally, a smooth and unobstructed duct system allows for better airflow and ventilation, reducing the risk of smoke and heat buildup.Rate this question:
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- 35.
What is the best way for an inspector to identify the components and fire-protection equipment required for a HVAC system?
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An on-sire inspection
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A consultation with the HVAC contractor
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By reviewing the shop drawings or approved mechanical plans.
Correct Answer
A. By reviewing the shop drawings or approved mechanical plans.Explanation
The best way for an inspector to identify the components and fire-protection equipment required for a HVAC system is by reviewing the shop drawings or approved mechanical plans. This method allows the inspector to have a detailed and accurate understanding of the system's design and specifications. It provides a comprehensive overview of the components and fire-protection measures that have been planned and approved for installation. This ensures that the inspector can assess whether the system meets the necessary requirements and standards for safety and functionality.Rate this question:
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- 36.
In order to help ensure life safety in buildings, what device is often required when ducts penetrate fire-rated assemblies?
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Smoke alarms
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Sprinkler heads
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Dampers
Correct Answer
A. DampersExplanation
Dampers are often required when ducts penetrate fire-rated assemblies in order to help ensure life safety in buildings. Dampers are devices that are used to regulate or control the flow of air within ducts. In the context of fire-rated assemblies, dampers are essential as they help to prevent the spread of smoke and fire through the ductwork. By automatically closing when there is a fire, dampers can effectively compartmentalize the building and limit the movement of smoke and fire, thus providing additional time for occupants to evacuate safely.Rate this question:
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- 37.
When are furnaces over a particular size required to be enclosed with fire-rated construction?
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Large commercial applications
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Household-sized applications
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Residential applications
Correct Answer
A. Large commercial applicationsExplanation
Furnaces over a particular size are required to be enclosed with fire-rated construction in large commercial applications. This is because larger furnaces in commercial settings have the potential to generate more heat and pose a higher risk of fire. By enclosing them with fire-rated construction, the spread of fire can be contained and the safety of the building and its occupants can be ensured. In household-sized and residential applications, where the furnace size is typically smaller, such strict requirements may not be necessary.Rate this question:
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- 38.
Why are emergency power supplies that require batteries a concern to inspectors?
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They must be protected with special suppression systems.
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They must be enclosed in special containment enclosures.
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They contain hazardous chemicals and present potential hazards.
Correct Answer
A. They contain hazardous chemicals and present potential hazards.Explanation
Emergency power supplies that require batteries are a concern to inspectors because they contain hazardous chemicals and present potential hazards. Batteries often contain corrosive substances such as sulfuric acid, which can be harmful if leaked or mishandled. In addition, batteries can generate heat and release toxic gases, posing a risk of fire or explosion. Inspectors need to ensure that proper safety measures are in place to prevent accidents and protect individuals from the potential dangers associated with these hazardous chemicals and their discharge.Rate this question:
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