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Cpt's Test > Inspector Chapter 12 > Flashcards

Inspector Chapter 12 Flashcards

1
Q

_____ _____ _____ are used as the first line defense against fire.

A

Automatic Sprinkler Systems

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2
Q

Fire loss data reveals that in buildings equipped with automatic sprinklers, about _____ of all fires were controlled or extinguished by the sprinkler system.

A

94%

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3
Q

The Fire death rate per thousand in sprinkler-equipped hotels and motels is ___.

A

1.6

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4
Q

The Fire death rate per thousand in non-sprinklered hotels and motels is ___.

A

9.1

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5
Q

Most fires in sprinkler-equipped structures are controlled by the operation of how many sprinkler heads?

A

1-2

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6
Q

Consists of open sprinklers attached to unpressurized dry pipes that activates when a detection device in the protected area senses a fire and opens the waterflow control valve.

A

Deluge Sprinkler System

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7
Q

Continually charged with air that may or may not be under pressure. System operates when a sprinkler opens due to a thermally sensitive device activating and one or more detection devices in the same area triggers the water flow control valve to open.

A

Preaction Sprinkler System

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8
Q

Wet-pipe system that is continually charged with an antifreeze solution.

A

Antifreeze Sprinkler System

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9
Q

Wet-pipe system that uses the sprinkler system to circulate water for non-fire-protection building services such as heating or cooling. Closed System.

A

Circulating closed-loop Sprinkler System

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10
Q

System used in special circumstances where an additional level of protection against false activation is required.

A

Combined dry pipe and preaction sprinkler system.

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11
Q

System designed to be operated repeatedly in response to a detection device. System shuts on and off based on the demand indicated by the detection device.

A

Multicycle Sprinkler System

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12
Q

_____ _____ consist of parallel cross mains connected by multiple branch lines.

A

Gridded Systems

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13
Q

_____ _____ consist of interconnected cross mains that provide multiple routes for water to reach any point in the system.

A

Looped Systems

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14
Q

_____ _____ is a common design because of the advantage of water flow from multiple directions.

A

Looped Systems

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15
Q

Every automatic sprinkler system is equipped with a _____ _____ _____ _____ on either side of a check valve (backflow preventer) that prevent sprinkler water from flowing back into the water supply.

A

Main Waterflow Control Valve

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16
Q

Gate valve that has a yoke on the outside with a threaded stem or screw

A

Outside Stem and Yoke

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17
Q

Underground gate valve that has a hollow metal post attached to the valve housing. The valve stem inside the post has a target on which the words OPEN or SHUT appear.

A

Post Indicator Valve

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18
Q

Similar to a PIV except that it extend horizontally through the wall with the target and valve operating nut on the outside of the building.

A

Wall Post Indicator Valve

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19
Q

Similar to the PIV except that it uses a butterfly valve, while the PIV uses a gate valve.

A

Post Indicator Valve Assembly

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20
Q

Operating Valves: Located on the riser and used to flow water for testing the waterflow alarm; performs a function similar to the inspector’s test valve that may be located at a remote part of the system piping.

A

Alarm-Test Valve

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21
Q

Operating Valves: 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.

A

Check Valves

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22
Q

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

A

Drain Valves

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23
Q

May be globe, ball, or gate valves; used primary as drains and test valves. With many packaged valves in use, ball valves are common. The inspector’s test valve is used a globe valve and may sometimes be found at a remote location within a sprinkler system.

A

Trim Valves

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24
Q

Used for drains and to keep water from freezing in the pipes and damaging them.

A

Drip check or Drip ball valves

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25
Q

Vertical water pipe used to carry water for fire protection systems above ground, such as a standpipe or sprinkler.

A

Riser

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26
Q

Short vertical sections of pipe:

A

Nipple Risers

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27
Q

Sprinklers are installed on the branch lines with:

A

Nipple Risers

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28
Q

The arrangement of pipes is created by using one of two methods:

A

Pipe Schedule Tables or Hydraulic Calculations

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29
Q

Sprinkler Design: Recessed and covered with a removable decorate cover that releases when exposed to a specific level of heat

A

Concealed

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30
Q

Sprinkler Design: Mounted in a ceiling with the body of the sprinkler, including the threaded shank, above the plane of the ceiling

A

Flush

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31
Q

Sprinkler Design: 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

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32
Q

Sprinkler Design: 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

A

Recessed

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33
Q

Sprinkler Design: 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.

A

Sidewall

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34
Q

Sprinkler Design: Installed upward from a branch line so that water is discharged up against the deflector.

A

Upright

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35
Q

Sprinkler Type: 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-challange fire hazards

A

Control Mode Specific Application (CMSA)

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36
Q

Sprinkler Type: 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 orgin

A

Early suppression fast-response (ESFR)

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37
Q

Sprinkler Type: Designed to cover an area greater than 15 feet x 15 feet

A

Extended Coverage (EC)

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38
Q

Designed to direct 40-to-60 percent of its discharge in a downward direction. Must be installed in an upright or pendent position, and the deflector may be altered according to installation. May find these in old facilities.

A

Old-style/Conventinal

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39
Q

Designed with an open orifice and no thermal or heat-responsive element or plug. Most commonly found in deluge systems.

A

Open

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40
Q

Designed to provide increased life safety in hotels, motels, and similar residential occupancies.

A

Quick-response early suppression (QRES)

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41
Q

Designed to provide increased life safety in hotels, motels, and similar residential occupancies; has a larger area of coverage than QRES sprinklers.

A

Quick-Response Extended Coverage (QREC)

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42
Q

Designed for fast response in residential occupancies where life safety in the room of origin is the primary concern.

A

Residential (RES)

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43
Q

Designed and limited to protect special hazards

A

Special

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44
Q

Designed for use in general types of occupancies.

A

Standard Spray (SS)

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45
Q

Designed for use in situations that require a special water-discharge pattern, directional spray, or any other unusual discharge characteristics

A

Nozzle

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46
Q

Standard sprinkler may have an operating temperature of _____

A

165F

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47
Q

Constructed of stainless steel or is factory coated with a corrosion-resistant material. Usually installed in areas containing acids or caustic materials or processes.

A

Corrosion-Resistant

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48
Q

Attached to a dry pipe nipple that is separated from a wet branch line by a pressure seal

A

Dry

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49
Q

Designed to be damage resistant with no removable parts.

A

Institutional

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50
Q

Shields are added to prevent the sprinkler from being affected by the operation of sprinklers at a higher level

A

Intermediate level or Rack Storage

51
Q

Specially painted or plated by the manufacturer to match the decor of the surrounding area.

A

Ornamental or decorative

52
Q

A standard spray or thermostatic fixed temperature release device used as a detector to pneumatically or hydraulically release the main valve.

A

Pilot line detector

53
Q

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

A

Thermocouple

54
Q

Occurs when thermocouples reach a preset temperature, releasing the sprinkler plug.

A

Sprinkler Activation

55
Q

Activates based on the maximum temperate expected at the level of the sprinkler under normal conditions.

A

Specific Application Sprinkler

56
Q

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 to warn occupants.

A

Electronic Heat Detector

57
Q

Activates an alarm on the sprinkler waterflow control valve and area valves.

A

Waterflow Alarm

58
Q

Sprinkler Color: Uncoded or Black

A

Ordinary: 135-170

59
Q

Sprinkler Color: White

A

Intermediate: 175-225

60
Q

Sprinkler Color: Blue

A

High: 250-300

61
Q

Sprinkler Color: Red

A

Extra High: 325-375

62
Q

Sprinkler Color: Green

A

Very Extra High: 400-475

63
Q

Sprinkler Color: Orange

A

Ultra High: 500-575

64
Q

Residential System: Single Sprinkler GPM requirement:

A

18 GPM

65
Q

Residential System: Two or More Sprinkler GPM requirement:

A

13GPM each

66
Q

Spacing for a sprinklers in a residential system is a maximum of ____ square feet per sprinkler.

A

144 Square Feet

67
Q

Residential: Maximum spacing between sprinklers is ___ with the maximum allowable distance of a sprinkler to a wall being _____

A

12 Feet; 6 Feet

68
Q

The _____ _____ fixed system discharged water over the area or surface to be protected through an arrangement of pipes and nozzles.

A

Water-Spray

69
Q

A _____ _____ system is similar to water-spray, except that the ***** system discharges a fine mist of water.

A

Water-Mist

70
Q

Water Mist Low Pressure PSI:

A

175psi or less

71
Q

Water-Mist Intermediate-pressure System PSI:

A

175-500psi

72
Q

Water-Mist High-Pressure System PSI:

A

500+psi

73
Q

In Water-Mist systems, cylinders that have not been discharged should be emptied and tested every:

A

12 Years

74
Q

In Water-Mist systems, Empty cylinders must be tested before recharging if it has been more than _____.

A

5 Years

75
Q

For Foam-Water Systems, how long must the required duration be?

A

15 Minutes

76
Q

For Foam-Water systems the , how often should the proportioner be tested?

A

Annually

77
Q

Class ___ standpipe systems are for use by firefighters trained in handling large handlines.

A

Class I

78
Q

Class I standpipe systems have _____ hose connections or hose stations.

A

2 1/2 Inch

79
Q

Class ___ standpipe system is primarily designed for use by building occupants.

A

Class II

80
Q

Class ___ standpipes combine the features of Class I and Class II systems.

A

Class III

81
Q

Standpipe with empty pipe that is connected to a permanent water supply. Uses a device such as a deluge valve to admit water into the system piping upon activation of a remote control device.

A

Semiautomatic-Dry

82
Q

Contains water in the system from a domestic supply but replies on water through the FDC to meet system demand

A

Manual-Dry

83
Q

Maintains water from a domestic fill connection in the piping to detect leaks in the system.

A

Manual-Wet

84
Q

An _____ _____ _____ system with an automatic water supply is the most common type of standpipe.

A

Automatic Wet Standpipe

85
Q

The current NFPA 14 minimum for requirement in standpipes for residual pressure is _____ at the fire hose outlet.

A

100psi

86
Q

Current practice is to locate fire hose valves so that any part of a floor is within _____ of the standpipe hose connection:

A

130 Feet

87
Q

Standpipes and their connections are most commonly located:

A

Within rated stair enclosures.

88
Q

Standpipe hose connections can be located no more than ____ from floor level.

A

6 feet.

89
Q

Where the discharge pressure at a hose exceeds _____, NFPA requires a pressure-regulating device to limit the pressure to:

A

175psi; 100psi

90
Q

Consist of a simple restricting orifice inserted into the water way.

A

Pressure-restricting devices

91
Q

Pressure restricting devices are limited to systems with: (Hose discharge and PSI)

A

1 1/2 inch; 175 PSI

92
Q

Preferred for managing excessive pressure and considered to be the most reliable method of pressure control. Uses a pitot tube and gauge to read the pressure and automatically reduce the flow through the discharge

A

Pressure-Control Devices

93
Q

Preferred for managing excessive pressure; used a spring mechanism that compensates for variations in pressure.

A

Pressure-reducing devices

94
Q

Valve installed at the standpipe connection that is designed to reduce the amount of water pressure at that discharge to a specific pressure, usually 100psi

A

Pressure-Reducing Valve

95
Q

Relay-supply hose of 3 1/2 to 6 inches in diameter.

A

Large Diameter Hose

96
Q

A High-Rise Building is defined as a building that is higher than:

A

75 Feet

97
Q

Pump with one or more impellers that rotate and utilize centrifugal force to move the water.

A

Centrifugal Pump

98
Q

The _____ _____-_____ pump is the most common type of fire pump found in stationary fire suppression systems

A

Horizonal split-case

99
Q

Pressure exerted by a stationary column of water, directly proportional to the height of the column

A

Head Pressure

100
Q

The most common gallon rating for the horizontal split-case pumps in use today are those in the _____ range.

A

500-1,500 GPM

101
Q

Horizontal split-case pumps are available in ranges:

A

150gpm-4,500 GPM

102
Q

What is the main advantage of a vertical split-case pump?

A

Its compactness

103
Q

The vertical inline pump has a capacity of: (GPM and PSI)

A

1,500 GPM; 165 PSI

104
Q

Vertical turbine pump are available with discharge pressures up to:

A

500 PSI

105
Q

End suction pumps have pressure ratings from:

A

40-150 PSI

106
Q

End Suction pumps have flow ranges from:

A

50-750 GPM

107
Q

Pump used to maintain pressure on a fire protection system in order to prevent false starts at the fire pump

A

Pressure-Maintenance Pump

108
Q

An _____ _____ is the most common method for driving a fire pump.

A

Electric Motor

109
Q

Risers that are 4 inches or larger in diameter are equipped with a _____ main drain.

A

2-inch

110
Q

If a dry-pipe sprinkler system is equipped with a _____-______ _____, opening the priming water test line could trip the system.

A

Quick-Opening Device

111
Q

In a dry-pipe sprinkler system, the system’s air pressure is maintained at _____-to-_____ above the trip point and no air leaks are indicated by a rapid or steady air loss.

A

15-to-20 PSI

112
Q

The distortion of a material caused by the repeated heating of a fusible link to near its operating temperature.

A

Cold Flow

113
Q

A minimum clearance of _____, measured from the deflector, should be maintained under sprinkler, depending on the type.

A

18-36 inches

114
Q

Residential structure sprinkler water supply requirement:

A

10 Minutes

115
Q

Residential structure sprinkler water supply requirement of structures less than 2,000 square feet, no more tan one story in height:

A

7 minutes

116
Q

NFPA 13R system requires that four sprinklers operate for _____

A

30 minutes

117
Q

Piping sizing requirements for residential sprinkler systems is a minimum of:

A

1/2 inch

118
Q

In all cases, the area of coverage for any residential sprinklers cannot exceed _____

A

400 Square Feet

119
Q

Verify that the ball drip valves are open and operable and that no corrosion is present on the foam concentrate storage tanks:

A

Standard Pressure Proportioner

120
Q

Check the operation of the waterflow control valves, look for corrosion on the exterior of the storage tank, and look for the presence of foam in the water around the bladder.

A

Bladder Tank Proportioner

121
Q

Inspect the strainers to verify that they are not obstructed, look for corrosion on the exterior of the storage tank, and verify that the pressure vacuum vent is operational.

A

Line Proportioner

122
Q

With standpipe and hose systems, building management personnel should make a visual inspection at least:

A

Once a Month

123
Q

The recommended inspection frequency for stationary fire pumps is:

A

Weekly

Cpt's Test (17 decks)

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