Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Captain Test > Fire Detection And Suppression > Flashcards

Fire Detection And Suppression Flashcards

1
Q

What type of release is required with the pneumatically

operated deluge sprinkler system

A

Manual

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

If same diameter of hose is used the FL varies

A

With the square of the increase in velocity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the 3 E’s of prevention

A

Education
Engineering
Enforcement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What color is used to indicate sprinklers rated for
temperatures between 250 degrees Fahrenheit to 300 degrees
Fahrenheit (121 degrees Celsius to 149 degrees Celsius)?

A

Blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which is designed to prevent the pump from overheating

when operating at churn against a closed system?

A

Circulation relief valves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which class of standpipes are designed for use by trained
building occupants or by fire department personnel being
equipped with a 1 1/2-inch (38 mm) hose and nozzle?

A

Class 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which detector only works in lighted areas

A

Video-based

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Pressure applied to a confined fluid is transmitted:

A

Equally in all directions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Left over pressure while water is flowing

A

Residual

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

When hoses or pipes are the same diameter, same length, and have the same flow:

A

FL varies inversely with approximately the square of the coefficient of roughness for the pipe or hose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Per NFPA standards what pressure does Pressure Regulating devices limit 1 1/2 connections to

A

100 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which system can tell the FACU specifically which device activated

A

Addressable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Who owns and operates the receiving point in a proprietary

system?

A

Facility owner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

1 ATM equals

A

14.7 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

4 basic categories of alarm systems

A

Automatic Protection, detection alarm
Automatic Fire Suppression system
Manual Fire alarm
Manual fire suppression

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which NFPA standard applies to the fire alarm and

signaling code?

A

72

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is stack effect a function of?

A

Temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which type of deflector is designed to deflect the spray
of water downward in a hemispherical pattern and is
usually used in dry systems

A

Upright

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What should the water supply for Class I and Class III
standpipe systems be able to provide for at least 30
minutes with a residual pressure of 100 psi (700 kPa) at
the hydraulically remote 2 1/2 inch (65 mm) outlet?

A

500 gpm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

How should control be provided when practical of the

firefighters’ smoke-control station?

A

By zone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What does NOT factor into determining

the minimum water flow requirements?

A

Fire department reflex times

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

According to ISO what is the minimum pressure hydrants
must deliver at 20 psi (140 kPa) residual pressure for a
duration of 2 hours for credit?

A

250 gpm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is the effort of smoke control?

A

Change the pressure in areas adjacent to the fire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the most effective method of fire control?

A

Automatic sprinklers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Who called together the 1947 Fire Prevention Conference

A

President Harry Truman

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Where are the manual start and stop buttons for the

electric motor-driven pumps located?

A

Outside of the controller enclosures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What is the minimum flow requirement from an individual

sprinkler for residential protection?

A

18 gpm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Where does the exhaust method of smoke control concentrate

the smoke in a large area?

A

Highest point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What is the minimum permitted pressure rating of a

standard fire pump?

A

40 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Which smoke control method is typically used for openings
in a vertical surface where the opening is relatively
small compared to the size of the surface?

A

Opposed airflow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

How many BTUs to raise temp of 1 pound of water

A

1 BTU

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

What is normally the minimum rated fire pump that will be

encountered

A

500gpm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

How often should the supervisory air pressure be checked

in the preaction system?

A

Weekly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

How far apart does ISO recommend hydrants be located in

more congested areas and high fire risk areas?

A

300 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Weight of a material when compared to water

A

Specific Gravity, less than 1 floats, more than 1 sinks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What size building must have a zoned system

A

22,500 square feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

What was the cause of the fire at the Iroquois Theater in

1903?

A

Hot stage light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Grid pipe system that water comes to a hydrant from 2 directions

A

Circulating feed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Sprinkler is an example of what type of fire protection device

A

Active

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

What refers to the height that a pressure can lift a

column of liquid?

A

Head pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

What is the recommended minimum diameter of fire hydrant

supply mains?

A

6 inch main

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

What hour rating must fire pump enclosures have

A

2 hour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Which smoke control method is most often used during

postfire cleanup?

A

Dilution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Which type of system is used to protect large commercial

and industrial buildings?

A

Proprietary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

A roof less than what degree incline must have a standpipe access’s

A

33 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Which is produced in the combustion of materials

containing nitrogen?

A

Hydrogen Cyanide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

When was The President’s Conference on Fire Prevention

commissioned?

A

1947

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Who is alerted first when a presignal alarm system is in

use?

A

Emergency personnel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

What kind of standard is established when a group of

experts have agreed upon it before it is adopted?

A

Consensus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

What is the most common hydrant in the US

A

Dry-barrel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Which type of alarm uses radioactive particulars to electrify air inside the detector

A

Ionization device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

At which fire were building occupants unable to return to
their floor due to automatic locking doors in the
stairwells?

A

MGM Grand Hotel, Las Vegas, Nevada, 1980

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Which type of detectors are good for dusty environments

A

Air sampling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

What does the friction loss vary approximately with when

hoses or pipes are the same size?

A

Square the increase in velocity of the flow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

What is used to monitor fire protection control valves
that supply the sprinkler and other fire protection
systems?

A

Supervisory devices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Minimum riser size in Class 1 and 3 standpipe buildings over 100 feet

A

6 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Which is considered the most commonly encountered product

of combustion at structure fires?

A

Carbon monoxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

ISO recommends hydrants should be spaced minimum what distance in congested areas

A

300 ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

What is used to stabilize the pressure on a water system

when demand is high?

A

Elevated Tanks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

What kind of fire alarm signal is one that is used to
indicate off-normal condition of the complete fire
protection system?

A

Supervisory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Hose stations for type 2 and 3 standpipes for unsprinklered buildings must be how far from anywhere on the floor

A

150 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

What does water weigh per gallon

A

8.34 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

What is the most common size of FDC?

A

4 inch

64
Q

Within what distance from every exit does NFPA 72 require
pull stations be placed to allow occupants to activate the
alarm while exiting the building?

A

5 feet

65
Q

Sprinklers are effective what percent of the time when they operate

A

96 %

66
Q

For a 1,000 gpm pump at 100 psi what horse power is needed

A

80hp

67
Q

Who convened the National commission on fire prevention and control in the 1970s

A

President Richard Nixon

68
Q

Since what time has the NFPA published a variety of
standards and other documents dealing with fire prevention
and building safety?

A

1880s

69
Q

At which fire did smoke vent through the stage roof, which

was credited with the prevention of any loss of life?

A

Palace Theatre

70
Q

Pressure created by a column of water

A

Head

71
Q

How much pressure at the base does 1 square inch column of

water that is 1 foot high exert?

A

0.4333 psi

72
Q

How far from the sprinklered facility does the 2009
edition of the International Fire Code require the hydrant
be located?

A

600 feet

73
Q

How much does 1 cubic feet of h20 weigh

A

62.4 pounds

74
Q

How long should the standpipe system be hydrostatically
tested at a minimum pressure of 200 psi (1 400 kPa) to
ensure tightness and integrity of fittings when
installation is complete?

A

2 hours

75
Q

If all conditions are the same, FL varies:

A

Directly with the length of the hose

76
Q

Which detector type is good for colder climate and rarely has false alarms

A

Rate of rise heat detector

77
Q

Where did the deadliest hotel fire in United States

history occur in 1946?

A

Winecoff Hotel, Atlanta, GA

78
Q

Ball valves need to be closed how slowly to avoid a water hammer

A

5 seconds

79
Q

Stored potential energy available in water

A

Static pressure

80
Q

What is the current minimum residual pressure set by NFPA
14 for 1 1/2 inch (38 mm) hose connections on the
standpipe?

A

65

81
Q

Most common type of fire pump is

A

Centrifugal

82
Q

What is the minimum clearance under the sprinkler that

should be maintained and verified during inspection?

A

18 inches

83
Q

Collection of rules and regs enacted by a legislative body to become a law

A

Code

84
Q

The pressure of a liquid on the bottom of a vessel is _________ of the_______ of the vessel

A

Independent of the shape

85
Q

Which type of sprinkler is useful in corridors, offices,

and hotel rooms?

A

Sidewall

86
Q

Which type of alarm system is connected to a municipal

fire alarm system?

A

Auxiliary

87
Q

What must be done to restore the wire-type continuous line

heat detector?

A

Replace the wire

88
Q

What is the quantity of heat absorbed by a substance at the point that it changes from a liquid to a vapor

A

Law of latent heat of vaporization

89
Q

Approximately how much more heat does each pound of water
require to convert into steam once the boiling point has
been reached?

A

970 btu

90
Q

Which is faster, photoelectric smoke detector or ionization detector

A

Photoelectric

91
Q

What type of threads are on FDC connections

A

National Hose Standard threads, female

92
Q

Within what amount of time after activation of the
dry-pipe sprinkler system must water be provided to the
most remote sprinkler if the system capacity is over 750
gallons (2 800 L)?

A

15-60 seconds

93
Q

About what percentage of fire deaths are attributed to

smoke inhalation?

A

65 percent

94
Q

How many deaths are attributed to smoke inhalation

A

65%

95
Q

Sprinkler for ordinary room temps have a sprinkler of what range

A

135-170 degrees

96
Q

Standpipe hose connections must be what distance high

A

Not less than 3 feet and not greater than 5 feet high

97
Q

How much pressure is required to raise water 1 foot

A

0.434 psi

98
Q

What alarm system is unable to tell the FACU which head alerted

A

Conventional Alarm System

99
Q

What do codes and ordinances normally require the
containment volume around the diesel fuel storage be as a
minimum?

A

Same as the volume on the tank

100
Q

Hose stations for class 2 and 3 standpipes must be within how many feet of anywhere on a highrise floor for sprinklered buildings

A

200 feet

101
Q

How often should a service test be done on detection systems

A

At least annually

102
Q

What is the minimum amount of time the running period

timer should be set on the Diesel engine for testing each week

A

30 minutes

103
Q

Property loss is _____ less with sprinklers

A

85%

104
Q

What signal is received when power failure or other system malfunctions occur

A

Trouble Alarm

105
Q 
What do you divide the amount of head by to convert it to
head pressure (customary/metric)?
A

2.304/0.1

106
Q

What does NFPA require at a hose outlet that exceeds 100

psi (700 kPa) for a 1 1/2 inch (38 mm) connection?

A

Pressure regulating device

107
Q

How many BTUs for a gallon of water to reach 212 degrees

A

1268 btus

108
Q

Which heat detector has 2 metals together that expand at different temps and creates a flexion to touch a contact point and set off the alarm

A

Bimetallic

109
Q

The amount of heat required to raise the temperature of a specified quantity of a material and the amount of heat necessary to raise the temperature of an identical amount of water by the same number of degrees (also known as the heat absorbing capacity of a substance)

A

Specific Heat

110
Q

If same discharge, FL varies

A

Inversely to approximately the 5th power of the diameter of the hose

111
Q

Approximately how many times its original volume will
water at 212 degrees Fahrenheit (100 degrees Celsius)
expand?

A

1700 times

112
Q

How much heat can one gallon of water absorb if it is all

converted to steam?

A

9,358 BTU

113
Q

What is the pipe that supplies the branch lines on a spinkler system

A

Cross mains

114
Q

Fluid pressure is _______ to any surface on which it acts

A

Perpendicular

115
Q

Most common sized FDC with 2 x 2 1/2 inch connections is

A

4 inches

116
Q 
What is the minimum riser size for building heights over
100 feet (30 m)?
A

6 inches

117
Q

In which location did the 2004 NIST study conclude more
smoke detectors needed to be installed in residences to
allow for adequate safe-egress time?

A

Bedrooms

118
Q

What supply for Class 1 and 3 standpipes should provide _______ for 30 minutes with residual of 100 psi and most remote 2 1/2 connection

A

500 gpm

119
Q

Per NFPA standards what do Pressure Regulating devices limit 2 1/2 inch standpipe connections to

A

175 psi

120
Q

Which organization coordinates the development and use of

voluntary consensus standards in the United States?

A

ANSI

121
Q

Which type of photoelectric smoke detectors are
particularly useful in buildings with large areas of
coverage are needed?

A

Projected beam application

122
Q

Which type is directly connected to the municipal alarm system

A

Public emergency alarm reporting system

123
Q

Which type of smoke detector will communicate the specific

location of the device that is activated to the FACP?

A

Addressable

124
Q

FACU means

A

Fire Alarm Control Unit

125
Q

Which smoke control method is typically used for openings
in a vertical surface where the opening is relatively
small compared to the size of the surface?

A

Opposed airflow

126
Q 
Which class of standpipe system is primarily for use by
fire-suppression personnel?
A

Class 1

127
Q

Which system can tell the FACU which zone activated

A

Zoned conventional

128
Q

What is the most commonly used method to activate a fire pump

A

Pressure switch

129
Q

What system is continuously monitored remotely

A

Supervising Station Alarm system

130
Q

Where did the fire at the Our Lady of Angels School in

Chicago, Illinois, 1958 begin?

A

Basement trash can in the stairwell

131
Q

Building codes require standpipes be reachable within how much distance from everywhere on a highrise floor

A

130 feet

132
Q

What type of valve is on drains and and test valves

A

Globe valve

133
Q

What are the only 3 things that are released from ALL fires

A

Water, CO & CO2

134
Q

OS&Y

A

Outside Stem and Yoke

135
Q

What is the minimum amount of time that electric fire pump

motors should be allowed to run weekly?

A

10 minutes

136
Q

The pressure of a liquid in an open vessel is directly ______ to its ____

A

Depth and density of the liquid

137
Q

What is the pipe that supplies a single sprinkler?

A

Sprig

138
Q

What is in a liquid state between what temps

A

32-212

139
Q

Which does the ionization smoke detector respond more

easily to?

A

Flaming fire

140
Q

Minimum flow from a residential sprinkler

A

18 gpm

141
Q

About when was the first fire alarm system installed?

A

1851

142
Q

How often should all sprinkler systems be visually

inspected?

A

Monthly

143
Q

Which type of alarm system does not slow fire or smoke spread

A

Automatic protection, detection alarm

144
Q

Fluid pressure at a point in a fluid at rest is:

A

The same intensity in all directions

145
Q

Beyond what height will the fire engine normally not be
able to supply the upper zones of the standpipe system in
a high-rise building?

A

450

146
Q

Which type of detector utilizes light beams

A

Photoelectric

147
Q 
Which class of standpipe supplies two different hose
connections?
A

Class 3

148
Q

What is the pressure of a liquid in an open vessel

proportional to?

A

Its density

149
Q

What type of fire pump is used for non pressurized sources

A

Vertical shaft turbine pump

150
Q

What type of alarm system alerts and notifies only occupants on the premises

A

Protected premises system

151
Q

When did the fire occur at the Coconut Grove Nightclub in

Boston, Massachusetts?

A

1942

152
Q

Where did a majority of the 85 deaths in the MGM Grand

Hotel fire in Las Vegas, Nevada (November, 1980) occur?

A

Upper floors

153
Q

Where is residual pressure measured?

A

Where a static pressure reading is taken NOT at the point of water flow

154
Q

When did George Andrew Darby patent the first heat

indicator?

A

1902

155
Q

How much less are property losses in buildings that are
protected with fire sprinklers compared to those without
sprinklers according to the USFA?

A

85 percent

156
Q

Which type of heat detector has a melting element that releases a spring to activate

A

Fusible elements

Captain Test (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions