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Brannigan's Building Construction For The Fire Service > Chapter 6 - Features of Fire Protection > Flashcards

Chapter 6 - Features of Fire Protection Flashcards

1
Q

A quality ascribed to a wall, floor, or column assembly that has been tested in a standard manner to determine the length of time for which it remains structurally stable when attacked by a standard fire

A

Fire resistance rating

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2
Q

The resistance of a structural member to collapse by fire because of the nature of its material or assembly

A

Inherent fire resistance

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3
Q

These structures are protected with gypsum board and wood assemblies that have passed the standard fire resistance test

A

Combustible structures

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4
Q

What material is superior to unprotected steel

A

Cast iron

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5
Q

What test would be used to test the fire resistance of roofs, floors, walls, columns, and partitions?

A

The time temperature control curve

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6
Q

The temperatures and times for the standard time temperature curve

A

1000° F… 5 minutes
1300° F… 10 minutes
1550° F… 30 minutes
1700° F… 1 hour
1850° F… 2 hours
2000° F… 4 hours
2300° F… 8 hours

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7
Q

Fire resistance of columns is concerned with resisting

A

Collapse

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8
Q

Fire resistance of floors is concerned with

A

Resistance of passage of fire and collapse

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9
Q

Fire resistance of walls is concerned with

A

Passage of Fire and collapse

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10
Q

Fire resistance of fire doors is concerned with

A

Passage of Fire

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11
Q

Fire resistance is not supposed to provide (3)

A

Not specifically directed at ensuring life safety

Not specifically intended to provide smoke control

Not concerned with the dollar loss due to fire

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12
Q

Minimum size for column in fire resistance test

A

9 ft

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13
Q

Minimum size for beans and girders in fire resistance testing

A

12 ft

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14
Q

Minimum size for partitions in walls in fire resistance testing

A

100 ftsq

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15
Q

Minimum size for floors and roofs in fire resistance testing

A

180 ft squared

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16
Q

When the average temperature of columns exceeds ___ The test is ended and the specimen fails

A

1100° F average
1300° F any temperature

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17
Q

Temperature of floor structure that causes test to fail

A

250° F

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18
Q

The rate at which fire spreads over the surface of a material, the smoke it develops, and the fuel it contributes to a fire

A

Flame spread

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19
Q

One of the most important factors in fire spread within buildings is

A

Interior finishes on walls and ceilings

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20
Q

Steiner tunnel test is also known as NFPA

A

255

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21
Q

Test sample size of the Steiner tunnels test

A

25 ft long and 2 ft wide

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22
Q

Class A flame spread of surface materials range

A

0 to 25

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23
Q

Class B flame spread of surface materials range

A

26-75

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24
Q

Class C flame spread of surface materials range

A

76-200

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25
Q

What is the requirement flame spread rating for exit stairwells in hospitals

A

Class A

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26
Q

Materials with smoke develop ratings of ___ can be expected to generate substantial amounts of smoke

A

300 or more

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27
Q

Rating for severe fire exposures

A

Class A

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28
Q

Waiting for moderate fire exposures

A

Class B

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29
Q

Waiting for light fire exposures

A

Class C

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30
Q

Test that measures ignitability of carpeting from a small source such as a dropped mattress cigarette

A

Pill test

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31
Q

Test rating carpet for its ability to spread flame when attacked with a greater ignition source than a cigarette

A

NFPA 253

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32
Q

Test carpets for use as wall finish

A

NFPA 265

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33
Q

What is the NFPA of the critical radiant flux test

A

NFPA 253

34
Q

Critical radiant Flux test class 1 ≥

A

0.45 watt per centimeter squared

35
Q

Critical radiant Flux test class 2 ≥

A

0.22 watt/cm squared

36
Q

What type of shingles was no observable changes on the TIC camera screen scene prior to collapse

A

Clay and asphalt

37
Q

Typically two to four hour fire resistance rated and used to separate buildings

A

Firewalls

38
Q

What fire resistance rating are fire partitions

A

1 hour

39
Q

What fire resistance rating are fire barriers

A

1 to 2 hour

40
Q

Extends continuously from the foundation to or through the roof with sufficient structural stability under fire conditions to allow collapse of construction on either side without collapse of the wall

A

Firewall

41
Q

Fire door fire protection rating time

A

20 minutes to 3 hours

42
Q

Most important aspect of a fire door

A

Ability to close and latch closed

43
Q

NFPA that fire doors are tested under

A

NFPA 252

44
Q

Most common type of door

A

Swinging used in corridors and stairwell openings

45
Q

What are the two types of fire door closures

A

Self closing and automatic

46
Q

Smoke barriers fire resistant rating time

A

1 hour

47
Q

Horizontal exits fire resistant rating time

A

2 hour

48
Q

A draft curtain is

A

Glass or gypsum board partition

49
Q

NFPA for low-rise residential occupancies

A

NFPA 13R

50
Q

How many stories are low rise considered

A

Four stories or fewer

51
Q

Deluge systems are usually used for what

A

Flammable liquid operations

52
Q

What is the key to sprinkler system effectiveness

A

The ability of the water to penetrate the material

53
Q

What is the advantage of a pre-action system

A

Water typically will not flow if a sprinkler or pipe is broken

54
Q

Sprinkler piping is hydrostatically tested for

A

2 hours at 200 lb per square inch

55
Q

What is a multiple death fire

A

A fire that kills three or more people

56
Q

Sprinklers should not be shut off as long as what

A

Hot water is falling down

57
Q

Residential sprinkler systems are intended to

A

Limit flash over

Hold a contents fire until occupants can escape

58
Q

Where are unsprinkled areas included in residential

A

Small closets and bathrooms as well as unused attics

59
Q

When a sprinkler system is pronounced out of service the degree of impairment should be given 4)

A

The system can be supplied through FDC

Mechanics on scene can restore the system within 10 minutes

The system is completely unavailable

The second floor is out of service

60
Q

Each two and a half inch outlet indicates what GPM of pump capacity

A

250 GPM

61
Q

What type of caps should be used to protect today’s FDCs

A

Cast iron or plastic

62
Q

What is indicated by a pend needle on the air pressure gauge on the dry pipe valve

A

Presence of high pressure

63
Q

What is the best method for controlling flammable liquid fires

A

Keep the containers from overheating and control the flowing fire on the floor

64
Q

Early suppression/fast response sprinklers discharge how much GPM per sprinkler

A

100 GPM

65
Q

What size orifice do ES FR sprinklers have

A

3/4 “

66
Q

What size area can a single riser typically cover

A

52,000 ft²

67
Q

Class I and III provide how much GPM and PSI at each hose valve

A

250 GPM at 100 psi

68
Q

What class standpipe system provides two and a half inch hose connections to supply water for use by fire departments

A

Class I

69
Q

What class standpipe system provides 1 1/2 in hose stations to supply water for use primarily by the building occupants

A

Class II

70
Q

What class stamp pipe system provides 1 and 1/2-in hose stations and 2 and 1/2-in hose connections

A

Class III

71
Q

Class II standpipe supply how much GPM and PSI

A

100 GPM at 65 PSI

72
Q

In the case of high rise buildings a realistic estimate of the time between alarm and the start of extinguishment is how many minutes

A

20 minutes

73
Q

What is more reliable indicator of the actual location of a fire than smoke detectors

A

Water flow switches

74
Q

What is the most difficult system to navigate

A

Smoke management system

75
Q

What system protects hazards such as paint spray boost and gasoline station pump islands

A

Dry chemical stations

76
Q

What systems are the primary protection used in cooking hoods in restaurants

A

Wet chemical systems

77
Q

What system is used to protect flammable and combustible liquid facilities

A

Phone system

78
Q

What type foam is recommended for extinguishing and insulation fire

A

Class A

79
Q

What type of stream should a carpeting fire be fought with

A

Solid stream

80
Q

What percentage of library fires are due to arson

A

85%

81
Q

What standpipes are vertical hollow tubes

A

Class I

Brannigan's Building Construction For The Fire Service (13 decks)

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