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33 Cards in this Set
- Front
- Back
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What is outlets do class 3 standpipes have? |
1 1/2" and 2 1/2" |
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What is the temporary standpipe is permitted in building under construction provided? |
It can supply 75 gallons per minute at 50 psi and is at least 4 in diameter |
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Class 2 standpipes must be designed for a minimum flow of what gpm for one outlet? |
100 |
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Sleeves are required on a multifloor structure. If missed what could be the consequences? |
Extra expenses may result due to cutting of electrical wire or reinforced steel |
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A dry pilot line must be constructed of what type of pipe? |
Galvanized steel or copper tubing |
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What device is used to limit the time response of the air supply in a pre-action system |
A restricted orifice |
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Where supervisory air is used to maintain pressure, and an alarm will sound if the pressure drops below what pressure? |
12 PSI |
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Double interlocked pre-action systems are commonly used in? |
Freezers |
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A common characteristics of all deluge and pre-action system, regardless of the method of release is? |
A manual release |
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The NFPA document that should be consulted for information of a centrifugal fire pump is what? |
NFPA 20 |
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In a centrifugal fire pump, the water is drawn in at the center of and slung outward to the rim of the? |
Impeller |
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The interconnecting piping for jockey pump controller sensing lines is required by NFPA to be what nominal diameter? |
1/2" pipe |
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Where sprinkler or nozzle orifice sizes are less than 3/8", what device is required to prevent plugging of the orifice? |
A strainer |
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Initial filling procedures for a foam system bladder tank are specified by? |
The manufacturer |
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Water supply testing farthest sprinkler system provides static and residual pressure and the what of the water |
Flow |
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A sprinkler system in which parallel crossmains are connected by multiple branch lines is called a what configuration? |
Gridded system |
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High piled storage generally refers to storage over what feet in height? |
12 feet |
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Office space that does not contain machines or storage and the quantity and combustibility of content is low would be considered what occupancy? |
Light hazard occupancy |
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An occupancy where combustibility is low, quantity of combustibles is moderate, stockpiles of combustibles do not exceed 8 feet, and fires with moderate rates of heat release are expected is classified as a(n) what occupancy? |
Ordinary hazard group 2 |
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The difference between extra hazard group 1 occupancy and extra hazard group 2 occupancy is what? |
The amount of flammable liquids present |
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The ordinary hazard pipe scheduled differs from light hazard in that if the distance is greater than what feet, the main size is increased? |
12 feet |
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The rate of water application in gallons per minute per one square foot of coverage is the? |
Destiny |
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The NFPA standard for one and two family dwelling and mobile homes is? |
NFPA 13d |
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The friction loss for valves and fittings are expressed in terms of? |
Equivalent feet of pipe |
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The underground piping test procedure is conducted at 200 PSI water pressure or a minimum of what PSI above the anticipated static water pressure, if greater than 150 psi. |
50 psi |
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The underground piping test procedure is conducted for how many hours? |
2 hours |
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The NFPA standard that must be used when testing fire protection systems is what, replacing the now obsolete NFPA 13A |
NFPA 25 |
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With antifreeze systems, the freeze point of the antifreeze must be tested when? |
Annually |
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Maintaining the system and keeping the system in good operating condition is responsibility of who |
Owner |
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When testing two valve, double-interlocked system, the cavity between the deluge valve and the dry pipe valve must be? |
Filled with water |
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Dry pipe or pre-action sprinkler system piping that protects or passes through freezers or cold storage rooms must be visually inspected when? |
Annually |
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First day of projects involves? |
Materials and tool deliveries |
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The contractors material and test certificates require? |
Maintenance manuals be provided |
