chapter 12

Question 1

Which fire suppression system provides protection to specific hazards by applying water droplets of a predetermined pattern

Answer 1

particle size

Question 2

Building management personnel should make a visual inspection of standpipe and hose fire suppression systems at least once: a month.

Question 3

Which of the following are used to turn off or isolate the water supply to the system when it is necessary to perform maintenance

Answer 3

change sprinklers

Question 4

Ensuring that inspection

Answer 4

testing

Question 5

In an automatic sprinkler system

Answer 5

distortion of a material caused by the repeated heating of a fusible link to near its operating temperature is referred to as: cold flow.

Question 6

Which automatic sprinkler system is designed to be operated repeatedly in response to a detection device and shuts on and off based on the demand indicated by the detection device? Multicycle sprinkler system

Question 7

Which type of sprinkler is designed to be damage resistant with no removable parts? Institutional

Question 8

Which type of sprinkler is designed to provide increased life safety in hotels

Answer 8

motels

Question 9

Ensuring correct hanger spacing is essential when inspecting fire protection systems to: prevent damage to the system during operation.

Question 10

Which type of sprinkler is usually installed in areas containing acids or caustic materials or processes? Corrosion-resistant

Question 11

Which of the following drivers provides steam pressure to drive both horizontal and vertical split-case pumps directly? Steam turbine

Question 12

The water supply requirements for residential sprinklers are: less than those for standard sprinkler systems.

Question 13

Thermally sensitive devices such as fusible links keep most sprinklers closed and when heat from a fire affects these devices: sprinklers closest to the fire activate automatically.

Question 14

Which NFPA® standard contains specific inspection and testing requirements for water-based fire suppression systems? NFPA® 25

Question 15

When the pump driver is an electric motor

Answer 15

the pressure at which the pressure switch is set to start the fire pump must be: lower than the pressure in the system.

Question 16

Which of the following is a single-stage fire pump designed to fit into the intake/discharge line with the driver located above the inline impeller? Vertical inline

Question 17

Which type of standpipe and hose system is not connected to a domestic water supply and relies on the fire department to provide water through the FDC? Manual-dry

Question 18

Acceptance testing of water-based fire extinguishing systems is MOST likely performed by: the installation contractor.

Question 19

Which automatic sprinkler system is continually charged with compressed air and when a sprinkler activates

Answer 19

the air is released

Question 20

When inspecting stationary fire pumps

Answer 20

which test is used to check for obstructions? Flow test

Question 21

Large buildings having two or more zones require a fire department connection (FDC): for each zone.

Question 22

Which type of sprinkler is mounted in a ceiling with the body of the sprinkler

Answer 22

including the threaded shank

Question 23

Which of the following is a component of standpipe and hose fire suppression systems? Pressure-regulating device

Question 24

Which type of standpipe fire suppression system contains air or nitrogen under pressure and is permanently attached to a water supply? Automatic-dry

Question 25

The inspector should verify that the FDC is not blocked and is free of obstruction

Answer 25

the swivels rotate freely

Question 26

Reviewing records and witnessing inspections and tests is MOST likely the responsibility of: the inspector.

Question 27

Which type of sprinkler is a type of spray sprinkler capable of producing characteristic large water droplets and is listed for its capability of providing fire control of specific high-challenge fire hazards? Control mode specific application

Question 28

Which of the following steps should an inspector do first when performing a main drain test? Observe and record the pressure on the system side gauge at the system riser

Question 29

Which of the following allows a stationary fire pump to start automatically whenever the fire suppression system it supplies operates

Answer 29

and to stop automatically? Fire pump controller

Question 30

When inspecting a water-spray fixed fire suppression sprinkler system

Answer 30

the inspector should verify that all waterflow control valves are in the: locked and open position.

Question 31

During which phase will an inspector compare the components of a system to those shown on the plans or listed in the construction documents? Preacceptance inspections

Question 32

Which type of sprinkler is normally provided in a deluge sprinkler system? Open

Question 33

Ensuring that routine inspections and testing are performed on water-based fire extinguishing systems and that accurate records are maintained is the responsibility of: the owner/operator.

Question 34

Which fire pump includes advantages such as the ease of installation as a replacement pump

Answer 34

the compact space required for the pump

Question 35

Discharge outlets in dry fire suppression systems should be: closed.

Question 36

Current practice is to locate fire hose valves so that any part of a floor is within: 130 feet (40 m) of the standpipe hose connection.

Question 37

Which valve is usually a globe valve and may sometimes be found at a remote location within a sprinkler system? Inspector's test valve

Question 38

Which operating valve is located on the riser and used to flow water for testing the waterflow alarm? Alarm-test valves

Question 39

Which of the following statements about the alarm trip test is the MOST accurate? The inspector never performs this test due to liability issues.

Question 40

Generally

Answer 40

an inspector begins an inspection of a water-based fire suppression system in the: system riser room.

Question 41

Which automatic sprinkler system is continually charged with air that may or may not be under pressure and operates when a sprinkler opens due to a thermally sensitive device and the activation of detection devices? Preaction sprinkler system

Question 42

Which pressure-regulating device at a hose outlet is preferred for managing excessive pressure and is considered to be the most reliable method of pressure control? Pressure-control devices

Question 43

The indicating control valve should be examined to verify that it is: opened fully and secured.

Question 44

The most common type of fire pump found in stationary fire suppression systems is referred to as a(an): horizontal split-case.

Question 45

Which classification of standpipe and hose fire suppression systems is primarily designed for use by building occupants trained in its use or by fire department personnel? Class II

Question 46

From which of the following areas would automatic fire suppression sprinklers MOST likely be omitted? Entrance hallways

Question 47

During which phase will an inspector determine if the proposed fire suppression system is appropriate for the type of occupancy

Answer 47

hazard

Question 48

The actual hose connections of a standpipe hose valve can be located no more than: 6 feet (1.8 m) from floor level.

Question 49

Which type of sprinkler is installed downward from the branch line so that water flowing from the sprinkler strikes the deflector and is distributed over the protected area? Pendent

Question 50

The maximum spacing between sprinklers in residential systems is: 12 feet (3.5 m).

Question 51

Fire loss data reveals that in buildings equipped with automatic sprinklers

Answer 51

about _____ percent of all fires were controlled or extinguished by the sprinkler system. ninety-four

Question 52

Unless otherwise approved

Answer 52

spacing for sprinklers in residential systems is a: maximum of 144 square feet (13 m2) per sprinkler.

Question 53

Which detection and activation device occurs when thermocouples reach a preset temperature

Answer 53

releasing the sprinkler plug? Sprinkler activation

Question 54

Which of the following statements about automatic fire suppression sprinklers is MOST accurate? Residential sprinklers operate more quickly than standard sprinklers.

Question 55

The recommended inspection frequency for stationary fire pump operation is: weekly.

Question 56

Which type of sprinkler system operates when an electronic detector or manual control device is activated? Deluge or preaction sprinkler systems

Question 57

Which fire suppression system is commonly used to protect Class B fire hazards and can be a wet-pipe

Answer 57

dry-pipe

Question 58

As part of the maintenance requirements of NFPA® 25

Answer 58

standpipe and hose fire suppression systems must be flow and hydrostatic tested: every five years.

Question 59

How often must dry-pipe fire suppression systems be hydrostatically tested? Every five years

Question 60

Which of the following is the main function of a stationary fire pump? Increase the pressure of the water that flows through it

Question 61

Which method allows for calculations to be made to protect all types of hazards

Answer 61

including extra hazards

Question 62

Which automatic sprinkler system is continually charged with air under pressure combined with a detection system that controls the operation of the waterflow control valve? Combined dry pipe and preaction sprinkler system

Question 63

Which type of sprinkler is installed upward from a line so that water is discharged up against the deflector? Upright

Question 64

Which type of valve is an underground gate valve that has a hollow metal post attached to the valve housing? Post indicator valve assembly

Question 65

What should be done if an automatic sprinkler system is found to have corrosion? It should be replaced.

Question 66

Which fire suppression system uses a very fine spray that controls or extinguishes fire by displacing oxygen and blocking radiant heat production? Water-mist system

Question 67

Water-mist fire suppression systems that utilize air cylinders that have not been discharged should be emptied and tested: every twelve years.

Question 68

Which automatic sprinkler system is used in special circumstances where an additional level of protection against false activation is required

Answer 68

such as in data centers or museums? Combined dry pipe and preaction sprinkler system

Question 69

Water-mist fire suppression systems utilize air cylinders that must be hydrostatically tested before recharging if it has been more than: five years since their last tests.

Question 70

Which automatic sprinkler system has the advantage of water flowing to the sprinklers from multiple directions? Gridded systems

Question 71

Which classification of standpipe and hose fire suppression systems must be capable of supplying effective fire streams during the more advanced stages of fire within a structure? Class I

Question 72

Which type of standpipe fire suppression system contains water in the system at all times and is attached to a water supply capable of supplying the system demand at all times? Automatic-wet

Question 73

For which foam-water system proportioner should the inspector look for the presence of foam in the water around the bladder? Bladder tank proportioner

Question 74

Which valve is used to drain water from piping when pressure is relieved in the pipe? Drain valves

Question 75

Which classification of standpipe and hose fire suppression systems has both 2½-inch (65 mm) hose connections and 1½-inch (38 mm) hose connections? Class III

Question 76

Which are vertical sections of pipe that connect the underground supply to the rest of the piping in the system? System risers

Question 77

Which of the following is the most common method for driving a fire pump? Electric motor

Question 78

Which type of sprinkler is designed for fast response in residential occupancies where life safety in the room of origin is the primary concern? Residential

Question 79

Which sprinkler system device activates preaction and deluge systems by smoke

Answer 79

heat

Question 80

Which type of standpipe fire suppression system contains an empty pipe that is connected to a permanent water supply? Semiautomatic-dry

Question 81

Which detection and activation device sounds a warning when a sprinkler activates and water begins to flow? Waterflow alarm

Question 82

Water-mist fire suppression systems are designed to be operated at: considerably higher pressures than standard sprinkler systems.

Question 83

For which fire pump are the impellers actually located within the water supply source? Vertical turbine

Question 84

What is the purpose of fire department connections as part of automatic sprinkler systems? Boost the pressure of the primary water supply

Question 85

Which of the following statements about sprinkler systems and a water supply is MOST accurate? The primary water supply may come from a public or private source.

Question 86

When inspecting a water-spray fixed fire suppression sprinkler system

Answer 86

the inspector should verify that the system's response time is: less than 40 seconds.

Question 87

While maintaining a minimum required residual pressure in the system

Answer 87

a water supply must be able to deliver the required volume of water to: the highest or most remote sprinkler in a structure.

Question 88

With a foam-water fire suppression sprinkler system

Answer 88

the valves: may be in the open or closed position.

Question 89

Which fire pump includes advantages such as ease of installation

Answer 89

simplified piping arrangement

Question 90

Which automatic sprinkler system consists of open sprinklers attached to unpressurized dry pipes? Deluge sprinkler system

Question 91

Which controller monitors and contains alarms for conditions such as low engine oil pressure and high engine coolant temperature? Diesel engine controller

Question 92

Which type of sprinkler is designed to rapidly suppress fires in high-challenge hazards such as warehouses? Early suppression fast-response

Question 93

When a fire is not controlled in a sprinkler-equipped building

Answer 93

which of the following is MOST likely a cause? Inadequate or lack of water supply

Question 94

Which type of valve is a gate valve that has a yoke on the outside with a threaded stem or screw? Outside stem and yoke

Question 95

Which of the following drivers is MOST likely to be used where a driver independent of the local electrical power supply is needed? Diesel engine

Question 96

Verifying that the required testing and maintenance are complete and that the required records are in order for fire protection systems and equipment is the responsibility of the: authority having jurisdiction (AHJ).

Question 97

The pipe schedule table method is limited to: light and ordinary hazards.

Question 98

Which automatic sprinkler system is continually charged with water under pressure that discharges immediately when heat from a fire activates one or more sprinklers? Wet-pipe sprinkler system

Question 99

Which pressure-regulating device at a hose outlet uses a spring mechanism that compensates for variations in pressure? Pressure-reducing devices

Question 100

During an inspection of a dry-pipe sprinkler system

Answer 100

what should inspectors do if they note excessive air pressure? They should have the system drained

Question 101

Which type of sprinkler is recessed and covered with a removable decorative cover plate that releases when exposed to a specific level of heat? Concealed

Question 102

An inspector should first verify that all valves controlling water supplies to the sprinkler system and within the system (sectional valves) are: open at all times.

Question 103

Which stationary fire pump is almost always driven by an electric motor that sits on top of the pump? Vertical split-case

Question 104

For which foam-water system proportioner should the inspector verify that the ball drip valves are open and operable and that no corrosion is present on the foam concentrate storage tanks? Standard pressure proportioner

Question 105

Which of the following is MOST likely to reduce water supply requirements for a standpipe fire suppression system? Installed automatic sprinklers