Fire Inspection and Code Enforcement Ch 12 Flashcards
1) The ____, ____, ____, and _____ requirements for sprinkler systems composed the first standard written by the NFPA in 1896 that standard is NFPA ____
a. Design, installation, testing, inspection, 13
2) Fire loss data reveals that ____ percent of all fires where controlled or extinguished by the sprinkler system
94
3) According to the national fire sprinkler association (NFSA) there has never been a multiple loss of life (3 or more deaths) due to ___ or ___ in a sprinkler equipped building
a. Fire, smoke
4) The fire death rate per thousand in hotel/motels equipped with sprinklers is ___ compared to unequipped hotel/motels at __
a. 1.6, 9.1
5) Traditionally the fire service has recognized __ basic types of automatic sprinkler systems
4
6) _____- continually charged with water under pressure that discharges immediately when heat from a fire activates one or more sprinklers
a. Wet-pipe sprinkler system
7) _____- continually charged with compressed air, when a sprinkler activates the air is released allowing the dry pipe waterflow control valve to operate and charge the system with water. These systems are typically used in areas where freezing temps are likely to occur
a. Dry-pipe sprinkler system
8) _____- consist of open sprinklers attached to unpressurized dry pipes. The system activates when a detection device in the protected area senses a fire and opens the waterflow control valve. All sprinklers discharge simultaneously
a. Deluge-sprinkler system
9) _____- Similar to a dry system, is continually charged with air that may or may not be under pressure. The system only operated when a sprinkler opens due to a thermally sensitive device activating and one or more detection devices in the same area triggers the waterflow control valve to open
a. Preaction sprinkler system
10) Advances in sprinkler design and technology have led to the addition of ____ more types of systems
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11) ______- wet pipe system that is continually charged with antifreeze, this system requires additional maintenance, the antifreeze solution must be tested _____ and adjusted if not in compliance
a. Antifreeze sprinkler system, annually
12) ________- wet pipe system that uses the sprinkler system to circulate water for non fire protection building services such as heating or cooling. It is a closed loop, water is not removed from the system unless activated
a. Circulating closed loop sprinkler system
13) ________- charged with air, combined with detection system that activates waterflow control valve, activation of individual sprinklers discharges water. This system is used in special circumstances where additional protection from false alarms is required such as data centers or museums. Also known as double preaction or double interlock system
a. Combined dry pipe and preaction sprinkler system
14) _____ -system designed to be operated repeatedly in response to a detection device. The system shuts on and off based on the demand indicated by the detection device.
a. Multicycle sprinkler system
15) Several sprinkler design methods are ____ systems and _____ systems.
a. Looped, gridded
16) Every automatic sprinkler system must have a water supply of ______, ____, and ______.
a. Adequate volume, pressure, reliability
17) Private water supplies may originate from impounded water sources such as ______, _____, ____, or _____
a. On site ponds, reservoirs, wells, storage tanks
18) _____- these valves are located between the water supply and the sprinkler system.
a. Waterflow control valve
19) Waterflow control valves may also be located throughout the system to isolate _____
a. Specific zones
20) Several common types of indicator control valves are used in automatic sprinkler systems: (4)
a. OS&Y outside stem and yoke
b. PIV post indicator valve
c. WPIV wall post indicator valve
d. PIVA post indicator valve assembly
21) ________- located on the riser and used to flow water for testing the waterflow alarm
a. Alarm test valves
22) ______ - used to limit the flow of water to one direction
a. Check valves
23) _____- used to drain water from the piping when pressure is relieved from the pipe
a. Drain valves
24) _____- may be globe, ball, or gate valves: used primarily as drains and test valves.
a. Trim valves
25) _____- used for drains and to keep water from freezing and damaging them
a. Drip check or drip ball valves
26) The riser has the system waterflow control valve and associated hardware that is used for ___, ____, ____, and ____
a. Testing, alarm activation, isolation, maintenance
27) ____, ____, and _____ support the entire system which may be _____ to facilitate drainage.
a. Hangers, rings, clamps, pitched
28) The arrangement of pipes is created by one of two methods:
a. Pipe schedule tables
b. Hydraulic calculations
29) Pipe schedule tables have been in use for over ____ years
100
30) ______ make hydraulic calculations much easier, more accurate, and less expensive
a. Computer design programs
31) Sprinklers are defined by their ____ or by NFPA definitions
a. Orientation
32) ______- recessed and covered with a removable decorative cover plate that releases when exposed to a specific level of heat
a. Concealed
33) _____- mounted in a ceiling with the body of the sprinkler including the threaded shank above the plane of the ceiling.
a. Flush
34) _____- installed downward from the branch line so that water flowing from the sprinkler strikes the deflector and is distributed over the protected area
a. Pendant
35) ______- installed in a recessed housing within the ceiling if a compartment or space, all or part of the sprinkler other than the threaded shank is mounted in the housing.
a. Recessed
36) _____- mounted horizontally from a wall face so that the deflector causes the water to be distributed in as arc over the protected area while a portion of the spray is directed at the supporting wall face
a. Sidewall
37) ___- installed upward from a branch line so that water is discharged up against the deflector
a. Upright
38) NFPA ___ has begun to define sprinklers by their ____ and ___ rather than their orientation.
a. 13, design, performance
39) ______ - a type of spray sprinkler capable of producing characteristic large water droplets and that is listed for its capability of providing fire control of specific high challenge fire hazards.
a. Control mode specific application sprinkler (CMSA)
40) _____- 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
a. Early suppression fast response (ESFR)
41) _____ - Designed to cover an area greater than 15 feet
a. Extended coverage (EC)
42) ____- designed to direct 40-60 percent of its discharge in a downward direction. May be installed in the upright or pendent position. Can be found in old facilities
a. Old-style/conventional
43) ____- Designed with an open orifice and no thermal or heat-responsive element or plug. Most commonly found on deluge systems
a. Open
44) ______- Designed to provide increased life safety in hotels, motels, and similar residential occupancies
a. Quick-response early suppression (QRES)
45) ______- Designed to provide increased life safety in hotels, motels, and similar residential occupancies, has larger area of coverage than QRES sprinklers
a. Quick response extended coverage (QREC)
46) _____- Designed for fast response in residential occupancies where life safety in the room of origin is the primary concern
a. Residential
47) ______- standard for the installation of sprinkler systems in one and two family dwellings and manufactured homes
a. NFPA 13D
48) _____- Standard for the installation of sprinkler systems in low rise residential occupancies
a. NFPA 13R
49) _____- Designed and listed to protect special hazards
a. Special
50) _______- Designed for use in general types of occupancies; replaced the old style or conventional sprinklers; may be designed for use as _____ or _____; take longer to activate than the RES, QREC, QRES, or ESFR
a. Standard spray (SS), upright (SSU), pendent (SSP)
51) _____- designed for use in situations that require a special water discharge pattern, directional spray, or any other unusual discharge characteristics, similar to the type used in water-spray fixed systems.
a. Nozzle
52) Although a standard sprinkler may have an operating temp of ____ the thermal lag of the ____ may delay the operation of the sprinkler until the air temp is higher
a. 165, fusible link
53) ______- constructed of stainless steel or is factor coated with a corrosion resistant material such as wax, asphalt enamel, polyester, or Teflon; usually installed in areas containing acids or caustic materials
a. Corrosion-resistant
54) ____- Attached to a dry pipe nipple that is separated from a wet branch line by a pressure seal, may be used in either a wet or dry system where the protected area might freeze, such as walk in freezers in grocery stores
a. Dry
55) _____- used for prisons, jails, or facilities that house the mentally ill, designed to be damage resistant with no removable parts
a. Institutional
56) ____- Used in high rack storage spaces; shields are adder to prevent the sprinkler from being affected by the operation of sprinklers at higher level
a. Intermediate level or rack storage
57) _____- specially painted or plated be the manufacturer to match the décor of the surrounding area
a. Ornamental or decorative
58) _____- a standard spray or thermostatic fixed temperature release device used as a detector to pneumatically or hydraulically release the main valve, controlling the flow of water into a fire protection system
a. Pilot line detector
59) Sprinkler systems are activated in many ways;(3)
a. Thermal detectors in the sprinkler
b. Smoke, heat, rate of rise detectors in the protected area
c. Manual controls
60) ______- Occurs when ______ reach a preset temperature, releasing the sprinkler plug
a. Sprinkler activation, thermocouples
61) ______- activates based on the maximum temperature expected at the level of the sprinkler under normal conditions
a. Specific application sprinkler
62) ________- Activates preaction and deluge systems by, smoke, heat, or rate of rise detectors in the protected area; may also act as notification or alarm system
a. Electronic heat detector
63) _____- the sprinklers only discharge water when the sprinkler thermocouples activate, either simultaneously or after the detector has activated
a. Preaction system
64) ______- the sprinklers will discharge water immediately
a. Deluge system
65) The _____ alarm sounds a warning 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
a. Waterflow
66) ______- Depends on human intervention to operate the sprinkler system.
a. Manually activated
67) Residential sprinklers have different patterns than standard, they are designed to break the ____ and prevent ____ conditions, allowing for the occupants to ____
a. Thermal layering, flashover, escape
68) Some new NFPA 13D and IRC P2904 compliant systems have been developed that are fully integrated into the ______ system
a. Domestic plumbing system