Chapter 6, 7, 8, 9 Fire Protection Systems with verified solutions

A _____ lined hose must be installed into hose cabinets, must not exceed 100 feet in length, and may be collapsible or noncollapsible. Select one: A. 2½-inch B. 1½-inch C. 1¾-inch D. 2-inch - answer B. 1½-inch According to NFPA 14, a fire department connection must be located a minimum of ____ above the adjoining ground, sidewalk, or grade surface. Select one: A. 10 inches B. 12 inches C. 24 inches D. 18 inches - answer D. 18 inches According to NFPA 14, what is the maximum height that a fire department connection may be located above the adjoining ground, sidewalk, or grade surface? Select one: A. 36 inches B. 72 inches C. 48 inches D. 24 inches - answer C. 48 inches If a facility is equipped with an NFPA 13 automatic sprinkler system, what is the maximum standpipe system flow requirement (in gallons per minute)? Select one: A. 1000 gpm B. 250 gpm C. 500 gpm D. 1250 gpm - answer A. 1000 gpm If the standpipe system has an automatic water supply or is part of a combined system, a _______ should go to the exterior of the building and provide a means to safely remove the system water so it will not be a hazard. Select one: A. test valve B. pressure reducer C. main drain D. water shutoff valve - answer C. main drain In which of these standpipe systems does water enter the piping only when a valve is opened and the air pressure drops to a particular level? Select one: A. Manual wet standpipe B. Manual dry standpipe C. Automatic dry standpipe D. Automatic wet standpipe - answer C. Automatic dry standpipe Once the standpipe system is ready for service, which of the following is conducted to ensure that the required flow and pressure are available? Select one: A. Flushing B. Air test C. Hydrostatic test D. Flow tests - answer D. Flow tests What is the duration and testing air pressure (in pounds per square inch) for the air test in a dry standpipe system? Select one: A. 12 hours at 40 psi B. 24 hours at 40 psi C. 24 hours at 20 psi D. 12 hours at 20 psi - answer B. 24 hours at 40 psi What is the minimum design pressure (in pounds per square inch) for a standpipe system at the hydraulically most remote 1½-inch hose valve outlet? Select one: A. 50 psi B. 65 psi C. 125 psi D. 100 psi - answer B. 65 psi What is the minimum design pressure (in pounds per square inch) for a standpipe system at the hydraulically most remote 2½-inch hose valve outlet? Select one: A. 100 psi B. 65 psi C. 50 psi D. 125 psi - answer A. 100 psi What needs to be done before a standpipe system is connected to any water source and should continue until the water flow is clear? Select one: A. Visual inspection B. Air test C. Flushing D. Hydrostatic test - answer C. Flushing When the pressure at the hose valve outlet exceeds a predetermined pressure, how are fire fighters in most jurisdictions alerted of the high pressure? Select one: A. Audible alarm B. Flashing light C. Warning signs D. Blow-off valve - answer C. Warning signs Which classification of standpipes is designed for the use of fire fighters or fire brigade personnel who are trained to handle heavy fire streams? Select one: A. Class I B. Class III C. Class II D. Class IV - answer A. Class I Which NFPA standard establishes the basis for standpipe design, installation, use, water supply, and outlet size requirements? Select one: A. NFPA 24 B. NFPA 10 C. NFPA 12 D. NFPA 14 - answer D. NFPA 14 Which of the following standpipe systems has atmospheric air in the pipe and can be used only by connecting a water source to the fire department connection? Select one: A. Manual dry standpipe B. Automatic wet standpipe C. Automatic dry standpipe D. Manual wet standpipe - answer A. Manual dry standpipe Which of the following systems contains water in the pipe at all times; the water is typically supplied from the building's domestic water system, not from a dedicated fire service line? Select one: A. Manual dry standpipe B. Automatic wet standpipe C. Manual wet standpipe D. Automatic dry standpipe - answer C. Manual wet standpipe Which of these does NOT reference NFPA 14 for the design and installation requirements for standpipe systems. Select one: A. NFPA 472 B. NFPA 5000 C. NFPA 1 D. NFPA 101 - answer A. NFPA 472 Which of these standpipe classifications provides occupants a hose rack with a preconnected hose and nozzle with a lower-supplied water pressure? Select one: A. Class I B. Class IV C. Class III D. Class II - answer D. Class II Which of these systems contains water in the pipe at all times and is required to supply sufficient quantities of water to support manual firefighting operations? Select one: A. Automatic dry standpipe B. Automatic wet standpipe C. Manual wet standpipe D. Manual dry standpipe - answer B. Automatic wet standpipe Which standpipe classification combines two of the different classes and can be used by occupants and fire fighters or fire brigade members? Select one: A. Class IV B. Class III C. Class I D. Class II - answer B. Class III Which standpipe component is a coupling device that is found on the exterior of a building and is attached to a pipe connected to the standpipe system, sprinkler system, or both? Select one: A. Fire department connection B. Hose cabinet C. Valve D. Gauge - answer A. Fire department connection After determining the occupancy and combustibility, the system design must deliver enough water to absorb the energy from the fire and is based on: Select one: A. fuel output. B. design density. C. hydraulic design. D. energy output. - answer D. energy output. Most of the earliest requirements to install fire sprinkler systems came directly from: Select one: A. plumbing companies. B. fire companies. C. insurance companies. D. construction companies. - answer C. insurance companies. The basis of ______ is for installation of sprinkler systems in low-rise residential occupancies. Select one: A. NFPA 13R B. NFPA 13 C. NFPA 13D D. NFPA 13S - answer A. NFPA 13R There are three NFPA standards that relate to fire sprinkler design and installation standards. Which of the following is NOT one of those three NFPA standards? Select one: A. NFPA 13R B. NFPA 13 C. NFPA 13S D. NFPA 13D - answer C. NFPA 13S What is done to confirm that the design and installation meet the minimum standards and are consistent with the approved plans? Select one: A. Visual inspection B. Air test C. Hydrostatic test D. Flow test - answer C. Hydrostatic test What needs to be done before a fire sprinkler system is connected to any water source and should be continued until the water flow is clear? Select one: A. Air test B. Visual inspection C. Flushing D. Hydrostatic test - answer C. Flushing What test is NOT accomplished on a deluge or wet sprinkler system? Select one: A. Air test B. Visual inspection C. Hydrostatic test D. Main drain test - answer A. Air test What will be the effect of using synthetic materials in construction? Select one: A. Reduces the fuel load B. Suppresses toxic emission