An Advanced Level Fire Inspection And Code Enforcement Quiz!

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1. Designed for use in situations that require a special water discharge pattern, directional spary, or any other unusual discharge characteristics; similar to the type used in water spray fixed systems.

Explanation

The given answer "nozzle" is correct because a nozzle is a device that is designed for use in situations that require a special water discharge pattern, directional spray, or any other unusual discharge characteristics. It is similar to the type used in water spray fixed systems. Nozzles are commonly used in various applications such as firefighting, irrigation, and industrial processes to control and direct the flow of liquids.

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An Advanced Level Fire Inspection And Code Enforcement Quiz! - Quiz

Here, I challenge you in this Advanced Level Fire Inspection and Code Enforcement Quiz! Have you just finished chapter seven on fire inspection and code enforcement in your fireman training course? If so, I have prepared what has come to be seen as the most challenging quiz ever on the... see moretopic to prepare you for the upcoming assessment test. Be sure to take it and keep an eye out for others in the previous chapters.
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2. With the installation of residential fire sprinklers in one and two family dwelling - what percentage of fire deaths can be reduced?

Explanation

The given answer, 82, suggests that the installation of residential fire sprinklers in one and two family dwellings can reduce 82% of fire deaths. This implies that fire sprinklers are highly effective in preventing and controlling fires, leading to a significant decrease in fatalities caused by fires in residential settings.

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3. What section of NFPA defines automatic sprinkler systems?

Explanation

NFPA 13 is the section of the National Fire Protection Association (NFPA) that specifically defines automatic sprinkler systems. This section provides guidelines and requirements for the design, installation, and maintenance of these systems. It covers various aspects such as sprinkler types, spacing, water supply, and system components. By following the guidelines outlined in NFPA 13, professionals can ensure the effective and safe operation of automatic sprinkler systems in buildings.

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4. Sprinklers is installed downward from the branch line so that water flowing from the sprinkler strikes the deflector and is distributed over the protected area?

Explanation

Pendent sprinklers are installed downward from the branch line, allowing water to flow from the sprinkler and strike the deflector. This deflector then distributes the water over the protected area. This type of sprinkler is commonly used in fire protection systems to effectively cover a large area and provide efficient water distribution for fire suppression.

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5. During installation of all fire-protection systems, the inspector should compare the components of the system to those:

Explanation

During the installation of fire-protection systems, it is important for the inspector to compare the components of the system to those shown on the plans or listed in the construction documents. This ensures that the installation is being done according to the specified design and requirements. By referring to the plans and construction documents, the inspector can verify that the correct components are being used and that the system is being installed correctly. This helps to ensure the effectiveness and compliance of the fire-protection system.

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6. Type of sprinkler that is specially painted or plated by the manufacturer to match the decor of the surrounding area.

Explanation

An ornamental or decorative type of sprinkler is specially painted or plated by the manufacturer to match the decor of the surrounding area. This means that the sprinkler is designed to not only function effectively but also blend in with the aesthetic of its environment. It is likely to have a visually pleasing appearance and may have decorative elements or finishes that make it more visually appealing. This type of sprinkler is ideal for areas where both functionality and aesthetics are important, such as gardens, parks, or upscale outdoor spaces.

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7. Designed to provide a means for rapidly deploying fire hoses and operating fire streams on all levels of multistory structures and at remove points in large area structures and facilities?

Explanation

Standpipe and hose systems are designed to quickly deploy fire hoses and operate fire streams in multistory structures and large area structures. These systems provide a reliable and efficient means of delivering water to different levels and remote points in a building or facility. They are essential for firefighters to effectively combat fires in high-rise buildings and other large structures. Water mist systems, water spray fixed systems, and foam water systems may have their own applications and benefits, but they do not specifically address the need for rapidly deploying fire hoses and operating fire streams in multistory structures and large area facilities.

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8. Used to limit the flow of water to one direction; placed in the water supply line to prevent recirculation or backflow of water from the sprinkler system into the municipal water supply system.

Explanation

Check valves are used to limit the flow of water to one direction and prevent recirculation or backflow of water from the sprinkler system into the municipal water supply system. They act as a one-way valve, allowing water to flow in one direction but preventing it from flowing back in the opposite direction. This helps to maintain the integrity and safety of the water supply system by ensuring that contaminated water from the sprinkler system does not enter the municipal supply. Therefore, check valves are the correct answer in this context.

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9. Type of sprinkler designed with an open orifice and no thermal or heat responsive element or plug.

Explanation

An open sprinkler refers to a type of sprinkler that does not have a thermal or heat responsive element or plug. It has an open orifice, allowing water to flow freely without any obstruction. This design ensures that the sprinkler continuously releases water, providing a constant water supply for firefighting purposes. Unlike other types of sprinklers, an open sprinkler does not rely on heat activation to initiate water discharge. Instead, it is always ready to release water when needed.

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10. Type of sprinkler that is mounted horizontally from a wall face so that the deflector causes the water to be distributed in an arc over the protected area while a portion of the spray is directed at the supporting wall face.

Explanation

A sidewall sprinkler is a type of sprinkler that is mounted horizontally from a wall face. The deflector of the sprinkler causes the water to be distributed in an arc over the protected area, while a portion of the spray is directed at the supporting wall face. This type of sprinkler is commonly used in buildings where a standard ceiling-mounted sprinkler is not possible or desired. It provides effective fire protection while also ensuring that water is directed towards the wall to help prevent fire spread.

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11. Type of sprinkler activation device that depends on human intervention to operate the sprinkler system.  In this case, a worker may activate the system before a fire actually occurs such as in the case of a hazardouns gas or liquid release.

Explanation

A manually activated system is a type of sprinkler activation device that relies on human intervention to operate the sprinkler system. This means that a worker or individual must physically activate the system before a fire or hazardous situation occurs. This type of system is commonly used in situations where there is a risk of a gas or liquid release, allowing for immediate response and prevention of a potential disaster.

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12. Type of sprinkler that is constructed of stainless steel or is factory coated with a corrosion-resistant material such as wax, asphalt, lead, enamel, polyester, or Teflon; usually installed in areas containing acids or caustic materials or processes.

Explanation

A corrosion-resistant sprinkler is made of stainless steel or coated with materials such as wax, asphalt, lead, enamel, polyester, or Teflon. This type of sprinkler is designed to withstand exposure to acids or caustic materials, making it suitable for installation in areas where these substances are present. The corrosion-resistant coating or material helps to protect the sprinkler from damage and ensures its longevity in such environments.

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13. Sprinkler system where the branch lines are not interconnected.

Explanation

A looped sprinkler system is a type of sprinkler system where the branch lines are not interconnected. In this system, each branch line is connected to the main line independently, forming a loop-like configuration. This allows for better water distribution and pressure throughout the system, as water can flow in both directions. It also provides redundancy, as if one branch line fails, the others can still function. This design is commonly used in large or complex irrigation systems to ensure efficient and reliable water distribution.

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14. Type of sprinkler installed downward from the branch line so that water flowing from the sprinkler strikes the deflector and is distributed over the protected area.

Explanation

A pendent sprinkler is installed downward from the branch line, allowing water to flow from the sprinkler and strike the deflector. This deflector then distributes the water over the protected area. The term "pendent" refers to the fact that the sprinkler hangs down from the branch line, as opposed to being flush with the ceiling or wall.

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15. Deluge or preaction type sprinklers operate:

Explanation

Deluge or preaction type sprinklers operate when an electronic detector or manual control device is activated. This means that these sprinklers do not automatically respond to heat from a fire or smoke coverage. Instead, they require a specific trigger, such as an electronic detector sensing a fire or a manual control device being activated by a person, to start operating. Once activated, these sprinklers release water or other extinguishing agents to suppress the fire. This method allows for a more controlled and intentional activation of the sprinkler system, making it suitable for certain environments or situations where false alarms or accidental activations need to be minimized.

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16. Automatic sprinkler systems is continually charged with water under pressure that discharges immediately when one or more sprinklers are activated by heat from a fire?

Explanation

A wet-pipe sprinkler system is the correct answer because it is continually charged with water under pressure, ready to discharge immediately when one or more sprinklers are activated by heat from a fire. This type of system is commonly used in buildings where the risk of freezing is low, as the water is always present in the pipes and can quickly suppress a fire.

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17. Type of water-based fire-suppression system & equipment designed to control, contain, or extinguish fires in the incipient stage?

Explanation

Water mist systems are a type of water-based fire-suppression system that are designed to control, contain, or extinguish fires in the incipient stage. These systems use fine water droplets to create a mist that can quickly cool down the fire and displace oxygen, effectively suppressing the flames. Water mist systems are particularly effective in suppressing fires in enclosed spaces or areas with sensitive equipment, as the fine mist reduces the risk of water damage.

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18. How are sprinklers rated?

Explanation

Sprinklers are rated based on their activation temperatures. This means that each sprinkler is designed to activate and release water when the surrounding temperature reaches a specific threshold. The activation temperature is determined based on the type of fire that the sprinkler system is intended to suppress. By rating sprinklers according to their activation temperatures, it ensures that the appropriate sprinkler is used in different environments to effectively control and extinguish fires.

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19. Standpipe system contains unpressurized air in pipes and has no permanent water supply?

Explanation

A standpipe system is a type of fire protection system that consists of vertical pipes that are connected to a water source. In a manual-dry standpipe system, the pipes are not filled with water and there is no permanent water supply. Instead, the system relies on firefighters to manually connect hoses to the standpipe and supply water from an external source, such as a fire engine. This type of system is typically used in buildings where water is not readily available or where freezing temperatures could cause the water in the pipes to freeze and potentially damage the system.

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20. Before performing any inspection, the inspector must:

Explanation

The correct answer is "obtain permission from the owner/occupant." Before performing any inspection, it is essential for the inspector to obtain permission from the owner or occupant of the property. This ensures that the inspector has legal access to the premises and respects the rights of the owner/occupant. It is important to have the owner/occupant's consent before conducting any inspection to maintain a professional and ethical approach.

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21. Type of sprinkler designed specifically for use in high rack storage spaces; shields are added to prevent the sprinkler from being affected by the operation of sprinklers at a higher level.

Explanation

This type of sprinkler is designed specifically for use in high rack storage spaces. It is equipped with shields to protect it from being affected by the operation of sprinklers at a higher level. Therefore, the correct answer is "intermediate level or rack storage".

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22. Type of sprinkler that is installed on a riser nipple above the branch line so that water is discharged up against the deflector.  Water is forced vertically into the deflector and rains down in a circular pattern.

Explanation

The correct answer is upright because an upright sprinkler is designed to be installed on a riser nipple above the branch line. It discharges water vertically into the deflector, which then causes the water to rain down in a circular pattern. This type of sprinkler is commonly used in fire protection systems to provide efficient coverage and distribution of water.

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23. The minimum sprinkler pipe size that may be used in a residential system is _____.

Explanation

The minimum sprinkler pipe size that may be used in a residential system is 1/2. This size is determined by the flow rate and pressure requirements of the sprinkler system. A larger pipe size allows for better water flow and pressure, ensuring that the sprinklers can effectively and efficiently distribute water in case of a fire. Using a smaller pipe size may result in inadequate water flow and pressure, compromising the system's effectiveness.

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24. Sprinklers that are kept closed by fusible links or other thermally sensitive devices are activated:

Explanation

Sprinklers that are kept closed by fusible links or other thermally sensitive devices are activated automatically by heat from a fire. When the temperature in the vicinity of the sprinkler reaches a certain threshold, the heat causes the fusible link or thermally sensitive device to melt or activate, which in turn releases the mechanism holding the sprinkler closed. This allows water to flow through the sprinkler and extinguish the fire. The activation of the sprinkler is solely dependent on the heat generated by the fire and not by any other factors such as pressure, smoke coverage, electronic detectors, or manual control devices.

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25. Water control valves has a hollow metal post attached to the valve housing and the valve stem inside the post has a target on which the words OPEN or SHUT appear?

Explanation

A post indicator valve (PIV) is a type of water control valve that has a hollow metal post attached to the valve housing. Inside the post, there is a valve stem with a target that displays the words OPEN or SHUT. This allows the valve to be easily operated and visually indicates the position of the valve. The PIV is commonly used in fire protection systems to control the flow of water in case of emergencies.

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26. Designed to control, contain or extinguish Class A or Class B firs and may discharge water, foam, or water and foam intermittently?

Explanation

Foam water systems are designed to control, contain, or extinguish Class A or Class B fires by discharging water, foam, or water and foam intermittently. These systems are effective in suppressing fires by creating a foam blanket on the burning surface, which helps to smother the fire and prevent re-ignition. The foam water systems are commonly used in various industrial settings, such as oil refineries, chemical plants, and storage facilities, where flammable liquids or solids are present.

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27. Generally, an inspector begins an inspection of a water-based fire-suppression system in the:

Explanation

The correct answer is the system riser room. This is because the system riser room is where the main components of the water-based fire-suppression system are located, such as the riser, valves, and control panel. Inspecting this room first allows the inspector to assess the overall condition and functionality of the system before moving on to other areas. Additionally, starting in the system riser room ensures that any issues or maintenance needs can be identified and addressed early on in the inspection process.

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28. Type of sprinkler designed for use in prisons, jails, or facilities that house the mentally ill; designed to be damage resistant with no removable parts.

Explanation

The correct answer is institutional. This type of sprinkler is specifically designed for use in prisons, jails, or facilities that house the mentally ill. It is designed to be damage resistant with no removable parts. The term "institutional" accurately describes this type of sprinkler system as it is specifically tailored for use in such institutional settings.

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29. Used to drain water from piping when pressure is relieved in the pipe; may be main drain or auxiliary valves.

Explanation

Drain valves are used to remove water from piping systems when the pressure is relieved in the pipe. They can be either main drains or auxiliary valves. Main drains are typically located at the lowest point in the system and are used to completely drain the system. Auxiliary drain valves are used for partial draining or to drain specific sections of the piping. Overall, drain valves are essential for maintaining the integrity and functionality of piping systems by preventing water buildup and potential damage.

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30. Type of sprinkler designed and listed to produce large water droplets; intended for specific high challenge hazards.

Explanation

The correct answer is "large drop". This refers to a type of sprinkler that is specifically designed and listed to produce large water droplets. These sprinklers are intended for use in high challenge hazards where a greater amount of water is needed to suppress the fire. The large droplets help to penetrate the fire plume more effectively and provide better cooling and extinguishing capabilities.

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31. Sprinkler type that's designed to suppress fires in high-challenge hazards such as warehouses?

Explanation

The correct answer is Early suppression fast-response (ESFR). ESFR sprinklers are specifically designed to suppress fires in high-challenge hazards such as warehouses. They have a fast response time and are capable of delivering high water flow rates to quickly control and extinguish fires in these types of environments.

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32. A water supply for an automatic sprinkler system must maintain a minimum residual pressure - while still delivering the required volume of water to:

Explanation

The water supply for an automatic sprinkler system must maintain a minimum residual pressure in order to ensure that the highest or most remote sprinkler in the structure receives enough water. This is because the highest or most remote sprinkler will typically experience the greatest pressure drop due to friction and distance from the water source. By maintaining a minimum residual pressure, the system can ensure that even the sprinkler with the greatest pressure drop still receives enough water to effectively extinguish a fire.

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33. Type of sprinkler that is recessed and covered with a removable decorative cover plate that releases when exposed to a specific level of heat.

Explanation

A concealed sprinkler is a type of sprinkler that is recessed and covered with a removable decorative cover plate. This cover plate releases when exposed to a specific level of heat. This design allows the sprinkler to blend in with the ceiling and remain hidden until activated, providing a more aesthetically pleasing appearance.

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34. Type of sprinkler designed to suppress fires in high challenge hazards such as warehouses; developed as a result of the research into residential type sprinklers that must react rapidly to protect life in the room of origin.

Explanation

The correct answer is early suppression fast response (ESFR). This type of sprinkler is specifically designed to suppress fires in high challenge hazards like warehouses. It was developed based on research into residential sprinklers that need to react quickly to protect life in the room where the fire originated. The early suppression fast response sprinkler is capable of quickly suppressing fires in these challenging environments, making it an effective choice for such applications.

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35. Water-based fire-suppression system & equipment installed in structures and facilities as a means of increasing the static or existing water pressure within a water-based system?

Explanation

Fire pumps are installed in structures and facilities to increase the static or existing water pressure within a water-based fire-suppression system. These pumps are designed to provide a reliable and consistent water supply to the system, ensuring that an adequate amount of water is available to fight fires effectively. Fire pumps are typically powered by electricity or diesel engines and are capable of delivering high-pressure water flow to sprinkler systems, standpipe systems, and other fire-fighting equipment. They play a crucial role in maintaining the functionality and effectiveness of the fire-suppression system.

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36. Automatic sprinkler system valves is used to limit the flow of water to one direction?

Explanation

Check valves are used in automatic sprinkler system valves to limit the flow of water to one direction. These valves allow water to flow in one direction and prevent backflow, ensuring that water does not flow back into the system. This is important in sprinkler systems to maintain water pressure and prevent contamination of the water supply. Drain valves are used to drain water from the system, globe valves control the flow of water, and ball-drip valves are used to release excess pressure.

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37. Which of the following is the FIRST step in performing a main drain test?

Explanation

The first step in performing a main drain test is to observe and record the pressure on the system side gauge at the system riser. This is important because it allows the tester to establish a baseline pressure reading before conducting the test. By observing and recording this initial pressure, any changes or drops in pressure during the test can be accurately measured and assessed.

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38. Private water mains are flow tested at a minimum of:

Explanation

Private water mains are flow tested at a minimum of every five years to ensure their functionality and safety. This regular testing allows for the detection of any potential issues or blockages in the water mains, ensuring that they can continue to provide a reliable water supply to the surrounding areas. By conducting these tests every five years, any necessary maintenance or repairs can be identified and carried out promptly, preventing any major disruptions or hazards. This periodic flow testing helps to maintain the quality and efficiency of private water mains, ensuring the uninterrupted supply of clean water to consumers.

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39. Type of sprinkler that is attached to a dry riser nipple that is separated from a wet branch line by a pressure seal; may be used in either dry or wet systems where the protected area may freeze such as walk in freezers in grocery stores.

Explanation

The correct answer is "dry" because this type of sprinkler is specifically designed for use in dry systems where the protected area may freeze, such as walk-in freezers in grocery stores. It is attached to a dry riser nipple and separated from a wet branch line by a pressure seal. The term "dry" in this context refers to the absence of water in the system until the sprinkler is activated. This type of sprinkler is corrosion resistant and suitable for use in institutional or intermediate level or rack storage settings.

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40. One & two family dwellings, sprinklers can be omitted from:

Explanation

Entrance hallways can have sprinklers omitted in one and two-family dwellings because they are not considered high-risk areas for fire hazards. Kitchens, living rooms, and bedrooms are more prone to fires due to cooking activities, electrical appliances, and flammable materials, respectively. Therefore, it is important to have sprinklers installed in these areas to ensure the safety of the occupants and minimize property damage in case of a fire.

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41. Located on the riser and used to flow water for the purpose of testing the water flow alarm; performs a function similar to the inspector's test valve that may be located at a remote part of the system piping; the code no longer requires the inspector's test valve to be located at a remote location from the riser.

Explanation

Alarm test valves are located on the riser and are used to flow water for the purpose of testing the water flow alarm. They perform a similar function to the inspector's test valve, which is typically located at a remote part of the system piping. However, the code no longer requires the inspector's test valve to be located at a remote location from the riser. Therefore, alarm test valves are the correct answer as they are specifically designed for testing the water flow alarm.

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42. Spacing for sprinklers in residential systems is a maximum of ____ square feet per sprinkler.  The maximum spacing between sprinklers is ____ feet.  The maximum allowable distance of a sprinkler from a wall being ____ feet.

Explanation

The correct answer is 144, 12, 6. In residential systems, the maximum spacing for sprinklers is 144 square feet per sprinkler. The maximum spacing between sprinklers is 12 feet. The maximum allowable distance of a sprinkler from a wall is 6 feet.

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43. Automatic sprinkler system continually charged with air that may or may not be  under pressure and operates when both a sprinkler opens and a detection device in the same area activates the water-flow control valve?

Explanation

A preaction sprinkler system is a type of automatic sprinkler system that is charged with air, which may or may not be under pressure. It operates when both a sprinkler opens and a detection device in the same area activates the water-flow control valve. This system is commonly used in areas where water damage needs to be minimized, such as data centers or museums, as it provides an additional layer of protection by requiring two separate events to occur before water is released.

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44. Sprinkler system designed to operate repeatedly in response to a detection device?

Explanation

A multicycle sprinkler system is designed to operate repeatedly in response to a detection device. This means that once the detection device senses a fire or smoke, the sprinkler system will activate and release water to extinguish the fire. After the fire is extinguished, the system can be reset and used again in case of another fire emergency. This makes the multicycle sprinkler system a reliable and efficient option for fire protection in various settings.

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45. Sprinkler variations is designed to be damage resistant with no removable parts?

Explanation

Institutional sprinkler variations are designed to be damage resistant with no removable parts. This means that these sprinklers are built to withstand potential damage and do not have any parts that can be easily removed or tampered with. This makes them suitable for use in institutional settings where durability and security are important factors.

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46. Type of sprinkler designed to cover an area 20 feet by 20 feet (6.1 m by 6.1 m)

Explanation

The correct answer is "extended coverage." An extended coverage sprinkler is designed to cover a larger area, in this case, a 20 feet by 20 feet area. It is specifically designed to provide adequate water distribution and coverage over a larger space, ensuring efficient fire suppression.

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47. Which statement regarding the alarm trip test is MOST accurate?

Explanation

The statement that the inspector never performs this test due to liability issues means that the responsibility of performing the alarm trip test does not fall on the inspector. This could be because performing the test involves certain risks or potential legal consequences, and therefore it is not within the inspector's scope of duties.

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48. Designed as small hand wheel type valves that typically turn counterclockwise to open and clockwise to close; used primarily as drains and test valves; the inspector's test valve is usually a globe valve and may sometimes be found at a remote location within a sprinkler system.

Explanation

Globe valves are designed as small hand wheel type valves that typically turn counterclockwise to open and clockwise to close. They are commonly used as drains and test valves. The inspector's test valve, which is usually a globe valve, can be located at a remote location within a sprinkler system. Therefore, globe valves are the correct answer in this case.

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49. Which MOST likely be used to protect computer equipment and rooms?

Explanation

Water mist systems are most likely to be used to protect computer equipment and rooms because they provide a fine mist of water droplets that quickly evaporate, suppressing fires without causing damage to sensitive electronics. These systems are highly effective in extinguishing fires and preventing re-ignition, making them a suitable choice for protecting computer equipment and rooms. Foam-water systems, water spray fixed systems, and standpipe and hose systems may not be as suitable for this specific purpose.

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50. Type of sprinkler installed in a recessed housing within the ceiling of a compartment or space; all or part of the sprinkler other than the threaded shank is mounted in the housing.

Explanation

A recessed sprinkler is a type of sprinkler that is installed within a recessed housing in the ceiling of a compartment or space. The sprinkler is mounted in the housing, with only the threaded shank being visible. This type of sprinkler is designed to be discreet and blend in with the surrounding ceiling, providing a more aesthetically pleasing appearance. It is commonly used in spaces where a more seamless and integrated sprinkler system is desired.

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51. A device for measuring temperature in which two electrical conductors of dissimilar metals such as copper and iron are joined at the point where heat is applied.

Explanation

A thermocouple is a device used to measure temperature by utilizing the principle of the Seebeck effect. It consists of two dissimilar metal wires, such as copper and iron, that are joined at one end. When heat is applied to this junction, it creates a temperature difference between the two ends, resulting in the generation of a voltage. This voltage is proportional to the temperature difference and can be measured to determine the temperature. Therefore, a thermocouple is an appropriate device for measuring temperature using two electrical conductors of dissimilar metals joined at the point where heat is applied.

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52. Sprinklers that are mounted in a ceiling with the body of the sprinkler, including the threaded shank, above the plane of the ceiling?

Explanation

The correct answer is Flush. Flush sprinklers are mounted in a ceiling with the body of the sprinkler, including the threaded shank, above the plane of the ceiling. This type of sprinkler is designed to be installed in a way that it is flush with the ceiling surface, providing a seamless and aesthetic appearance.

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53. Water supply for Class I & III standpipe systems must provide a minimum flow rate of 500 gpm for at least:

Explanation

Class I & III standpipe systems are designed to provide water for fire suppression purposes. These systems require a minimum flow rate of 500 gallons per minute (gpm) to effectively combat fires. The question asks for the minimum duration that this flow rate must be maintained. The correct answer is 30 minutes, indicating that the water supply for these standpipe systems must be able to deliver a flow rate of 500 gpm for at least half an hour to ensure adequate firefighting capabilities.

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54. Which method is designing water distribution pipe is MOST accurate?

Explanation

The hydraulic-calculation method is the most accurate method for designing water distribution pipes. This method involves calculating the flow rate, pressure, and pipe size based on hydraulic principles and equations. It takes into account factors such as pipe material, elevation changes, friction losses, and demand patterns to determine the optimal pipe design. This method ensures that the water distribution system is designed to meet the required flow and pressure requirements efficiently and accurately.

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55. Automatic sprinkler system continually charged with air or nitrogen under pressure?

Explanation

A dry-pipe sprinkler system is continually charged with air or nitrogen under pressure. This is because the system is designed for use in areas where freezing temperatures can occur. The pipes in a dry-pipe system are filled with compressed air or nitrogen instead of water. When a fire is detected, the air or nitrogen is released, allowing the water to flow through the pipes and onto the fire. This prevents the pipes from freezing and ensures that the system can effectively extinguish the fire.

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56. Automatic sprinkler system valves is designed as small handwheel-type valves that typically turn counterclockwise to open and clockwise to close?

Explanation

Globe valves are designed as small handwheel-type valves that typically turn counterclockwise to open and clockwise to close. This type of valve has a disc or plug that moves up and down to control the flow of water. When the handwheel is turned counterclockwise, the disc or plug rises, allowing water to flow through the valve. When the handwheel is turned clockwise, the disc or plug lowers, blocking the flow of water. Globe valves are commonly used in automatic sprinkler systems to control the flow of water to different zones or sections.

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57. The most common method for driving a fire pump is:

Explanation

The most common method for driving a fire pump is an electric motor. This is because electric motors are reliable, efficient, and require less maintenance compared to other options like steam turbines, gasoline engines, or diesel engines. Electric motors also provide consistent power output, making them suitable for continuous operation in emergency situations. Additionally, electric motors are safer to use in fire pump applications as they do not produce exhaust emissions or require fuel storage.

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58. Type of sprinkler activation device that activates preaction and dry pipe systems by smoke, heat, or rate of rise detectors in the protected area; may also act as notification or alarm system to warn occupants.  When the detector senses an abnormal situation, the detector sends an electronic impulse to the fire-control panel and the sprinkler water flow control valve.  The valve opens, permitting water to enter the system.

Explanation

An electronic heat detector is a type of sprinkler activation device that can activate preaction and dry pipe systems by detecting smoke, heat, or a rapid rise in temperature in the protected area. It can also serve as a notification or alarm system to warn occupants. When the detector detects an abnormal situation, it sends an electronic signal to the fire-control panel and the sprinkler water flow control valve. This valve then opens, allowing water to enter the system.

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59. Type of sprinkler activation device that activates an alarm on the sprinkler water flow control valve and area valves (indicating the specific point in the system where water is discharging) that sounds a warning alarm when a sprinkler activates and water begins to flow in the facility, on the exterior of the facility, and sometimes at a monitored alarm control panel.  The alarms may also activate as part of the alarm system.

Explanation

A water flow alarm is a type of sprinkler activation device that activates an alarm on the sprinkler water flow control valve and area valves. It is designed to sound a warning alarm when a sprinkler activates and water begins to flow in the facility. This alarm is typically located on the exterior of the facility and sometimes at a monitored alarm control panel. The purpose of the water flow alarm is to indicate the specific point in the system where water is discharging and to alert individuals in the facility or the alarm system of a potential fire.

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60. Water-based fire suppression system & equipment designed to provide a water source at a reasonable distance from any potential hazard or source of fire?

Explanation

A standpipe & hose system is a water-based fire suppression system that is designed to provide a water source at a reasonable distance from any potential hazard or source of fire. This system consists of vertical pipes, called standpipes, which are connected to a water supply and equipped with hose connections on each floor of a building. In the event of a fire, firefighters can easily connect their hoses to the standpipes and quickly access water to extinguish the fire. This system is commonly used in high-rise buildings and large structures where it may be difficult to reach the fire with traditional fire hoses.

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61. Automatic sprinkler system consists of open sprinklers attached to unpressurized dry pipes?

Explanation

A deluge sprinkler system is a type of automatic sprinkler system where all the sprinkler heads are open and there is no water pressure in the pipes. When a fire is detected, a deluge valve opens and allows water to flow through all the sprinkler heads simultaneously. This system is commonly used in high hazard areas where rapid fire suppression is necessary, such as in chemical storage facilities or power plants. Unlike other types of sprinkler systems, the deluge system does not rely on individual sprinkler heads to activate, ensuring a quick response to fire emergencies.

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62. When inspecting water-flow control valves, an inspector should check that the:

Explanation

The main drain valve, auxiliary drains, and inspector's test valves should be closed when inspecting water-flow control valves. This is important to ensure that there are no leaks or water flow in these areas, which could affect the proper functioning of the control valves. By closing these valves, the inspector can verify that the control valves are operating correctly and that there are no issues with the drainage system.

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63. Dry-pipe systems are hydrostatically tested every:

Explanation

Dry-pipe systems are designed to prevent water from entering the pipes until a fire is detected. This is achieved by filling the pipes with compressed air or nitrogen instead of water. Due to the nature of these systems, they are prone to corrosion and leaks over time. Therefore, hydrostatic testing is necessary to ensure the integrity of the pipes and the system as a whole. Testing every five years allows for regular maintenance and identification of any potential issues before they become major problems.

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64. Standpipe system classifications is primarily for use by fire-suppression personnel trained in handling large handlines?

Explanation

Class I standpipe systems are designed for use by fire-suppression personnel trained in handling large handlines. These systems provide water supply and hose connections on all floors of a building, allowing firefighters to quickly connect their hoses and fight the fire from a central location. This classification ensures that trained personnel have access to the necessary equipment and resources to effectively combat fires in multi-story buildings.

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65. Stationary fire pumps is the most common type of fire pump found in stationary fire-suppression systems?

Explanation

The horizontal split-case pump is the most common type of fire pump found in stationary fire-suppression systems. This pump is designed with a horizontally split casing, which allows for easy access to the internal components for maintenance and repairs. It is also known for its high efficiency and reliability, making it a popular choice for fire-suppression systems.

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66. Used for drains and alarm testing and sometimes known as STOP OR COCK VALVES; ball type valves most commonly open or close with a quarter turn.

Explanation

Ball drip valves are commonly used for drains and alarm testing. They are sometimes known as stop or cock valves. These valves can be opened or closed with a quarter turn, making them easy to operate. The term "drip" in the name suggests that these valves are used to control the flow of liquid, allowing for precise regulation.

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67. Type of sprinkler designed to provide increased life safety in hotels, motels, and similar residential occupanies; have a larger area of coverage.

Explanation

The correct answer is quick response extended coverage (QREC). This type of sprinkler is specifically designed to provide increased life safety in hotels, motels, and similar residential occupancies. It has a larger area of coverage, meaning it can effectively cover a wider area and provide better fire protection in these types of buildings.

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68. Sprinkler system is a wet-pipe system that uses the sprinkler system to circulate water from non-fire-protection building services?

Explanation

A circulating closed-loop sprinkler system is a type of wet-pipe system that uses the sprinkler system to circulate water from non-fire-protection building services. This means that the water in the system is constantly flowing in a closed loop, ensuring that it is always available for fire protection purposes. This type of system is efficient and reliable, as it eliminates the need for separate water supply lines for fire protection. It also helps to maintain the water quality in the system, as the water is constantly moving and being refreshed.

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69. The water supply requirements for residential sprinklers are:

Explanation

The correct answer is "less than those for standard sprinkler systems." Residential sprinklers typically have lower water supply requirements compared to standard sprinkler systems. This is because residential sprinklers are designed for smaller spaces and are not required to cover as large of an area as standard sprinkler systems. Therefore, they require less water to operate effectively.

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70. Which of the following statements about residential sprinklers is MOST accurate?

Explanation

Residential sprinklers operate more quickly than standard sprinklers because they are designed to respond to fires in residential settings where occupants may be present. The faster response time of residential sprinklers helps to minimize the spread of fire and reduce the risk to occupants. Standard sprinklers, on the other hand, are typically used in commercial or industrial settings where the response time may not be as critical. Therefore, the statement that residential sprinklers operate more quickly than standard sprinklers is the most accurate.

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71. Pressure-regulating devices are preferred for managing excessive pressure and considered to be the most reliable method of pressure control?

Explanation

Pressure-control devices are preferred for managing excessive pressure and considered to be the most reliable method of pressure control because they are designed to regulate and maintain a specific pressure level in a system. These devices are able to automatically adjust the pressure to a desired set point and maintain it within a narrow range, ensuring that the system operates safely and efficiently. They are commonly used in various industries such as oil and gas, manufacturing, and HVAC systems to prevent damage to equipment and optimize performance.

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72. Type of sprinkler mounted on a ceiling with the body of the sprinkler, including the threaded shank, above the plane of the ceiling.

Explanation

A flush sprinkler is mounted on a ceiling with the body of the sprinkler, including the threaded shank, above the plane of the ceiling. This means that the sprinkler is installed in such a way that it is level with the ceiling surface, creating a seamless and concealed appearance. Unlike pendent or recessed sprinklers, which hang down or are recessed into the ceiling, a flush sprinkler blends in with the ceiling, making it less noticeable and aesthetically pleasing.

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73. Which of the following water control valves uses a butterfly valve?

Explanation

The correct answer is Post indicator valve assembly (PIVA). A butterfly valve is a type of water control valve that uses a disc-shaped closing mechanism to regulate the flow of water. The PIVA is a specific type of post indicator valve that incorporates a butterfly valve. It is commonly used in fire protection systems to control the flow of water in sprinkler systems.

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74. Type of sprinkler designed to provide increased life safety in hotels, motels, and similar residential occupanies; similar to residential sprinklers but intended for use in accordance with NFPA 13D.

Explanation

Quick response early suppression (QRES) sprinklers are a type of sprinkler system specifically designed to enhance life safety in hotels, motels, and similar residential occupancies. These sprinklers are similar to residential sprinklers but are intended for use in accordance with NFPA 13D standards. QRES sprinklers are designed to respond quickly to a fire, providing early suppression to prevent the spread of flames and minimize damage. They are an important component of fire protection systems in residential buildings, helping to protect occupants and provide a safer environment.

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75. Residential sprinkler piping that is listed by an approved testing agency may use all of the following EXCEPT:

Explanation

Residential sprinkler piping that is listed by an approved testing agency may use steel, plastic, and copper, but not iron. Iron is not listed as an acceptable material for residential sprinkler piping.

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76. Type of sprinkler designed and listed to protect special hazards.

Explanation

The term "special" in this context refers to a type of sprinkler that is specifically designed and listed to protect special hazards. This means that it is not a standard sprinkler system, but rather one that is tailored to meet the unique needs and requirements of certain environments or situations. These special sprinkler systems may have different features or capabilities that allow them to effectively control and suppress fires in these specific hazards.

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77. Residential sprinklers that protect an area as large as 20 x 20 feet - what is the minimum discharge with one sprinkler operating?

Explanation

The correct answer is "Increased to 32.5 gpm & 22.5 gpm per sprinkler with two sprinklers operating." This means that when two sprinklers are operating, the minimum discharge for each sprinkler is 32.5 gpm and 22.5 gpm respectively. This indicates that the water flow rate increases when multiple sprinklers are operating simultaneously, ensuring effective coverage and protection for the larger area.

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78. Pressure at which the pressure switch is set to start the fire pump must be:

Explanation

The pressure at which the pressure switch is set to start the fire pump must be higher than the pressure in the system. This is because the pressure switch is designed to activate the fire pump when the pressure in the system drops below a certain threshold. By setting the pressure switch to a higher value than the system pressure, it ensures that the pump will only be activated when there is a significant drop in pressure, indicating a potential fire hazard.

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79. When inspecting water spray fixed systems, an inspector should witness operational tests to determine that the system's response time is less than:

Explanation

An inspector should witness operational tests to determine that the system's response time is less than 40 seconds. This means that when the system is activated, it should start operating and spraying water within 40 seconds. If the response time exceeds 40 seconds, it may indicate a malfunction or delay in the system, which could be detrimental in case of a fire. Therefore, it is important for the inspector to ensure that the system's response time is within the specified limit to ensure its effectiveness in fire suppression.

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80. NFPA 13D requires ____ gpm for any size sprinkler.  When there are two or more sprinklers, each requires ____ gpm as a minimum required water supply.  For large multiple dwellings, the designing flow rates are greater.  NFPA 13R requires ___ gpm for a single sprinkler and not less than ____ gpm to a maximum of four sprinklers in a compartment (room or space).

Explanation

NFPA 13D requires a minimum of 18 gpm for any size sprinkler. When there are two or more sprinklers, each requires a minimum of 13 gpm as a required water supply. For large multiple dwellings, the designing flow rates are greater. On the other hand, NFPA 13R requires 18 gpm for a single sprinkler and not less than 13 gpm to a maximum of four sprinklers in a compartment (room or space).

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81. Distortion of a material caused by the repeated heating of a fusible link to near its operating temperature is known as:

Explanation

Cold flow refers to the distortion of a material caused by the repeated heating of a fusible link to near its operating temperature. When a material is subjected to these repeated heating cycles, it can gradually deform and flow, leading to a loss of dimensional stability. This phenomenon is commonly observed in materials with low melting points or when exposed to high temperatures over extended periods. Therefore, the correct answer is cold flow.

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82. Type of sprinkler designed for fast response in residential occupancies where life safety in the room of origin is the primary concern; used in systems that are designed to NFPA 13D & NFPA 13R.

Explanation

The correct answer is "residential (RES)". This type of sprinkler is designed specifically for residential occupancies where the primary concern is life safety in the room of origin. It is used in systems that are designed to meet the standards set by NFPA 13D and NFPA 13R. These sprinklers are designed to respond quickly and effectively in residential settings to suppress fires and protect occupants.

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83. Which of the following types of stationary fire pumps is always driven by an electric motor that sits on top of the pump and has as its main advantage its compactness?

Explanation

The correct answer is the Vertical split case pump. This type of stationary fire pump is always driven by an electric motor that sits on top of the pump. Its main advantage is its compactness, making it an efficient choice for limited space installations.

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84. Standpipe systems has the disadvantage of greater cost and maintenance than other systems?

Explanation

Automatic-dry standpipe systems have the advantage of not having water in the pipes until a fire occurs, which prevents freezing in cold climates and reduces the risk of water damage from leaks or accidental discharge. This eliminates the need for constant maintenance and reduces the overall cost of the system. In contrast, manual-wet and automatic-wet standpipe systems require regular maintenance to ensure that the pipes are always filled with water, increasing the cost and maintenance requirements. Therefore, automatic-dry standpipe systems are a more cost-effective and low-maintenance option compared to other systems.

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85. Type of sprinkler activation device that activates based on the maximum temperature expected at the level of the sprinkler under normal conditions.  The anticipated rate-of-heat release that would be produced by a fire in the particular area.

Explanation

A specific application sprinkler is a type of sprinkler activation device that is designed to activate based on the maximum temperature expected at the level of the sprinkler under normal conditions. It is specifically designed for a particular area or application, taking into account the anticipated rate-of-heat release that would be produced by a fire in that area. This type of sprinkler is tailored to the specific needs and requirements of the area it is installed in, ensuring effective and efficient fire protection.

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86. Type of sprinkler activation device that occurs when thermocouples (devices for measuring temperatures) reach a preset temperature releasing the sprinkler plug. 

Explanation

This answer is correct because it accurately describes the activation mechanism of a sprinkler system. When the thermocouples in the sprinkler reach a certain temperature, they trigger the release of the sprinkler plug, allowing water to flow and activate the sprinkler system. The other options mentioned in the question are not directly related to the activation mechanism of the sprinkler system.

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Designed for use in situations that require a special water discharge...
With the installation of residential fire sprinklers in one and two...
What section of NFPA defines automatic sprinkler systems?
Sprinklers is installed downward from the branch line so that water...
During installation of all fire-protection systems, the inspector...
Type of sprinkler that is specially painted or plated by the...
Designed to provide a means for rapidly deploying fire hoses and...
Used to limit the flow of water to one direction; placed in the water...
Type of sprinkler designed with an open orifice and no thermal or heat...
Type of sprinkler that is mounted horizontally from a wall face so...
Type of sprinkler activation device that depends on human intervention...
Type of sprinkler that is constructed of stainless steel or is factory...
Sprinkler system where the branch lines are not interconnected.
Type of sprinkler installed downward from the branch line so that...
Deluge or preaction type sprinklers operate:
Automatic sprinkler systems is continually charged with water under...
Type of water-based fire-suppression system & equipment designed...
How are sprinklers rated?
Standpipe system contains unpressurized air in pipes and has no...
Before performing any inspection, the inspector must:
Type of sprinkler designed specifically for use in high rack storage...
Type of sprinkler that is installed on a riser nipple above the branch...
The minimum sprinkler pipe size that may be used in a residential...
Sprinklers that are kept closed by fusible links or other thermally...
Water control valves has a hollow metal post attached to the valve...
Designed to control, contain or extinguish Class A or Class B firs and...
Generally, an inspector begins an inspection of a water-based...
Type of sprinkler designed for use in prisons, jails, or facilities...
Used to drain water from piping when pressure is relieved in the pipe;...
Type of sprinkler designed and listed to produce large water droplets;...
Sprinkler type that's designed to suppress fires in high-challenge...
A water supply for an automatic sprinkler system must maintain a...
Type of sprinkler that is recessed and covered with a removable...
Type of sprinkler designed to suppress fires in high challenge hazards...
Water-based fire-suppression system & equipment installed in...
Automatic sprinkler system valves is used to limit the flow of water...
Which of the following is the FIRST step in performing a main drain...
Private water mains are flow tested at a minimum of:
Type of sprinkler that is attached to a dry riser nipple that is...
One & two family dwellings, sprinklers can be omitted from:
Located on the riser and used to flow water for the purpose of testing...
Spacing for sprinklers in residential systems is a maximum of ____...
Automatic sprinkler system continually charged with air that may or...
Sprinkler system designed to operate repeatedly in response to a...
Sprinkler variations is designed to be damage resistant with no...
Type of sprinkler designed to cover an area 20 feet by 20 feet (6.1 m...
Which statement regarding the alarm trip test is MOST accurate?
Designed as small hand wheel type valves that typically turn...
Which MOST likely be used to protect computer equipment and rooms?
Type of sprinkler installed in a recessed housing within the ceiling...
A device for measuring temperature in which two electrical conductors...
Sprinklers that are mounted in a ceiling with the body of the...
Water supply for Class I & III standpipe systems must provide a...
Which method is designing water distribution pipe is MOST accurate?
Automatic sprinkler system continually charged with air or nitrogen...
Automatic sprinkler system valves is designed as small handwheel-type...
The most common method for driving a fire pump is:
Type of sprinkler activation device that activates preaction and dry...
Type of sprinkler activation device that activates an alarm on the...
Water-based fire suppression system & equipment designed to...
Automatic sprinkler system consists of open sprinklers attached to...
When inspecting water-flow control valves, an inspector should check...
Dry-pipe systems are hydrostatically tested every:
Standpipe system classifications is primarily for use by...
Stationary fire pumps is the most common type of fire pump found in...
Used for drains and alarm testing and sometimes known as STOP OR COCK...
Type of sprinkler designed to provide increased life safety in hotels,...
Sprinkler system is a wet-pipe system that uses the sprinkler system...
The water supply requirements for residential sprinklers are:
Which of the following statements about residential sprinklers is MOST...
Pressure-regulating devices are preferred for managing excessive...
Type of sprinkler mounted on a ceiling with the body of the sprinkler,...
Which of the following water control valves uses a butterfly valve?
Type of sprinkler designed to provide increased life safety in hotels,...
Residential sprinkler piping that is listed by an approved testing...
Type of sprinkler designed and listed to protect special hazards.
Residential sprinklers that protect an area as large as 20 x 20 feet -...
Pressure at which the pressure switch is set to start the fire pump...
When inspecting water spray fixed systems, an inspector should witness...
NFPA 13D requires ____ gpm for any size sprinkler.  When there...
Distortion of a material caused by the repeated heating of a fusible...
Type of sprinkler designed for fast response in residential...
Which of the following types of stationary fire pumps is always driven...
Standpipe systems has the disadvantage of greater cost and maintenance...
Type of sprinkler activation device that activates based on the...
Type of sprinkler activation device that occurs when thermocouples...
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