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Flashcards in Most Unknown Deck (137)
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1
Q

Which is NFPA’s model building code?

A

NFPA 5000

2
Q

What is considered to be the beams in an ordinary brick

and wood-joisted building with interior columns?

A

Floor boards

3
Q

When were the test burns conducted that were used to

create the standard time-temperature curve?

A

1918

4
Q

What is the best roof?

A

Roof beams rest on girders

5
Q

Which type of lintels are commonly used in masonry walls?

A

Reinforced-concrete

6
Q

What should the initial pump pressure be when supporting a

sprinkler system?

A

100 psi

7
Q

What can create a wind-driven fire in a high-rise

building?

A

Failure of windows on the upper floors

8
Q

What is the best way to control flammable liquid fires?

A

Keep the containers cool

9
Q

Which statement is correct about rubbish?

A

The material’s condition lends to a high rate of heat

release

10
Q

What concentrated load rating is given to the first and
upper floors in a retail store in the Building
Construction and Safety Code?

A

1000 lb (4.45 kN)

11
Q

What should be done to protect trapped fire fighters when
a rapid intervention team is sent in for rescue after a
collapse?

A

Sweep the collapsed area above the ceiling with a hose line

12
Q

What was the top layer on the walls in the Worcester Cold
Storage Warehouse which caught fire and killed six
Fire fighters in 1999?

A

Glassboard

13
Q

Since what time have lightweight wood trusses been in

general use?

A

1960s

14
Q

Up to what rating can the occupancy separation in a strip

mall be?

A

4-hour

15
Q

How many components are there in the means of egress?

A

Three

16
Q

Which is a correct statement about the load carrying

capacity of columns?

A

Columns lose strength by the square of the change in length

17
Q

At what point did a national push for the development of a

model building code?

A

1904

18
Q

What in general is the limit in the ordinary brick bearing

wall building?

A

6 stories

19
Q

What is the fundamental purpose of a sprinkler system?

A

Control the fire

20
Q

What were the exterior and interior wythes connected with
originally when hollow walls were built with hollow
terra-cotta tile?

A

Steel ties

21
Q

Since what decade has code required that a structure be

anchored to its foundation?

A

1940s

22
Q

What characterizes the three-decker type of apartment?

A

Porches on each level

23
Q

What has been eliminated in low-rise buildings up to about
70 feet in some recent designs that allows the walls to be
no thicker than 8 inches?

A

Reinforced concrete

24
Q

When winds are in excess of what speed will PPV fans be useless against them?

A

25 mph (40 kph)

25
Q

Under which category of predicting a collapse do concentrated loads fall?

p430

A

Occupancy precipitators

26
Q

What does the floor plate rest upon in the flat plate

structural system?

A

Columns

27
Q

During which stage of a fire will it spread to adjacent

combustible materials?

A

Free burning

28
Q

Which part of the building received the earliest attention in early fire testing?

A

Wood floors

29
Q

What amount of open space must be present around the
covered mall building to allow for an unlimited area under
recent building codes?

A

60 feet (18.3 m)

30
Q

In the South Tower, fires on which side of the building

had ample air supply?

A

East

31
Q

Up to how many floors do building codes typically allow to

be open to the atrium?

A

Three

32
Q

How long is the east wall in the FM Approvals Corner Test?

A

50 feet (15.2 m)

33
Q

What does the fire resistance rating provide?

A

Relative measure of comparison

34
Q

Where do the connections transfer loads in plastic design

in steel construction?

A

To the building

35
Q

What is the minimum number of fire fighters needed to make a trench cut in a row house?

A

Six

36
Q

What is used to transfer loads so that spliced timber acts

like a single timber?

A

Metal connections

37
Q

When did Frank Brannigan write an article introducing the

idea of preplanning?

A

1948

38
Q

When what temperature is reached in the thermocouples
peened into columns will the column fail the fire
resistance testing?

A

1,300 degrees Fahrenheit (704 degrees Celsius)

39
Q

What rating of fire assemblies are needed for an area to be classified as a control area in a hazardous materials
production building?

A

1-hour

40
Q

How often should fire fighters be placed in the stairwell

when performing stairwell support operations?

A

Every 2 floors

41
Q

Where do most fires start in garden apartments?

A

Tenant spaces

42
Q

How long did it take for the fire at the Los Angeles

Central Library in 1986 to be extinguished?

A

7.5 hours

43
Q

Which is NOT a correct statement about fighting fires in

high-piled storage racks?

A

A 2-inch (50 mm) handline is best used until the fire is

knocked down

44
Q

When did Frank Brannigan first become aware of the metal

deck roof problem?

A

1946

45
Q

Which type of fireproofing for concrete protects

individual members?

A

Encasement

46
Q

During which decade were many balloon-frame houses built
with an exterior that resembled post and frame
construction?

A

1920s

47
Q

When did the Worcester Cold Storage building fire occur?

A

December 3, 1999

48
Q

About what size spans can rigid frames provide?

A

100 feet (31 m)

49
Q

When a load is on what part of an arch may the load cause

the arch to collapse?

A

Outside the center third

50
Q
Which class standpipe system provides 2 1/2-inch (64-mm)
hose connections to supply water and is intended for use
by fire department personnel?
A

Class I

51
Q

What fire resistance rating does the code require for

columns on a concrete building?

A

3-hour

52
Q

What direction is the thrust of an arch?

A

Outward

53
Q

As the length of the span of a beam increases, the safe load

capacity?

A

decreases in direct proportion

54
Q

When do parapet walls often collapse?

A

During overhaul

55
Q

What dictates how a fire spreads?

A

Heat transfer

56
Q

Which type of window is nearly impossible for firefighting

ventilation?

A

Laminated “hurricane-resistant”

57
Q

How much per cubic foot does the Empire State Building

weigh?

A

23 pounds (10 kg)

58
Q

Which city sued a building management company to recover
costs of fighting a fire, charging the company had delayed
in transmitting the alarm?

A

New York

59
Q

How many stories tall is the Monadnock Building in

Chicago?

A

15

60
Q

Which type of collapse results from a loss of localized

load-carrying capacity?

A

Progressive

61
Q

How long did the portion of the roof that collapsed at the
Military Records Center fire near St. Louis, Missouri in
1973 hold together after the start of the fire?

A

22 Hours

62
Q

Where does wall formwork go out when it bursts?

A

Bottom

63
Q

Who is the responsibility of sprinklers being placed on

today?

A

Fire department

64
Q

With which type of concrete is the potential for

catastrophic collapse greatest if formwork fails?

A

Post-tensioned

65
Q

When was the Eurotunnel completed?

A

1994

66
Q

When was the International Green Construction Code issued

in an attempt to regulate green construction?

A

2012

67
Q

How may some tensile reinforcing bars be bent to

accomplish the same purpose as a stirrup?

A

Bent up

68
Q

What is being used in current construction to replace the

concrete that was once used for fireproofing?

A

Steel

69
Q

Where does the air come from that is used in pressurized

stairways?

A

Outside the building

70
Q

How many divisions can sprinkler impairment can be put

into?

A

Two

71
Q

What is the major risk of ventilation?

A

Roof collapse

72
Q

What should the ceilings of offices on factory floors be
constructed from?
p175

A

Plastic panels

73
Q

What was a major contributing factor in the Avianca

airliner crash in 1989 on Long Island, New York?

A

Language

74
Q

Which of the following is often used in the stud channels

of walls?

A

Polyurethane insulation

75
Q

What are most tests done on CO explosions made in

connection with?

A

Design of containers

76
Q

What is the proper term to be used when describing the

floor-ceiling truss void?

A

Trussloft

77
Q

What was left unprotected when performing encasement, but

has been corrected?

A

Bottom web of beams

78
Q

Which of the following is a spot-type smoke detector?

A

Photoelectric

79
Q

Which test measures a material’s ability to resist flame

spread?

A

NFPA 253

80
Q

How long did it take for the fire at the Los Angeles

Central Library in 1986 to be extinguished?

A

7.5 hours

81
Q

What type of collapses are usually seen in the bathroom?

A

Localized

82
Q

What is a building’s approximate life span?

A

75-100 years

83
Q

What is considered an ideal beam?

p29

A

Cable

84
Q

What type of load does the shape of a material affect its

ability to resist?

A

Compressive

85
Q

What must be used when attempting ventilation on a wood

truss roof?

A

Aerial ladder

86
Q

What type of stress is the girder subjected to when the
column is offset if the girder is not designed as a
transfer beam?

A

Shear

87
Q

At what point should the use of MVUs be considered when
clearing the stairway of smoke to be used for evacuation?

p416

A

20 floors

88
Q

Above what wind speed should its influence on the fire

inside be considered?

A

10-20 mph

89
Q

Which is NOT a correct statement about the effects of fire

streams on brick walls?

A

The streams cause damage when the bricks are cooled to

quickly

90
Q

Which part of the means of egress is often given a rating

of 20 minutes?

A

Corridor doors

91
Q

What is your only option when using an aerial master

stream to battle a wind-driven fire?

A

Frontal attack through the window

92
Q

What was emitted in the 1929 fire in a Cleveland (Ohio)
Clinic in the film storage facility that killed 125
doctors, nurses, and patients?

A

Nitrous oxide

93
Q

What percentage of exits stairwells were allowed to

terminate in the building under model codes for years?

A

50%

94
Q

What is the force per unit area that produces a

deformation?

A

Stress

95
Q

Which of the following has the highest peak HHR during an

unconfined burn?

A

Dry Christmas tree

96
Q

What is the rating of a horizontal exit?

A

2-hour

97
Q

How often should the operator stop to check the elevator

shaft for smoke initially when operating in Phase II?

A

Five floors

98
Q

Which part of tilt slab construction should be examined

carefully?

A

Openings in the wall

99
Q

Where are electrical conduits often placed when a basement
is constructed using interlocking insulated concrete
forms?

A

In the foam

100
Q

What happens when the concrete fails in steel skeleton
construction?

p345

A

It explodes up

101
Q

Which part of the set up acts as an insulator when
conducting the Critical Radiant Flux Factor Covering
Systems Test?

A

Underlaying

102
Q

What is stucco laid on when it is being used with a wood

building?

A

Metal lath

103
Q

Until what year was sand-lime mortar used?

A

1880

104
Q

What should be done to make existing exits bigger by

keeping the doors open?

A

Tie them open

105
Q
How long after ignition in test No. 14 conducted by NBS in
1980 was the average gas temperature reported as 1,300
degrees Fahrenheit (700 degrees Celsius)
A

6 minutes

106
Q

Which calculated risk is being undertaken when it is

determined that steel does not need to be protected in a parking garage with enough air flow?

A

Engineering

107
Q

During which time period did the exterior walls of mills

in the United States switch to masonry construction?

A

First half of the 1800s

108
Q

What are caissons typically constructed from?

A

Concrete

109
Q

What has always been a primary objective in fire fighting

from a historical perspective?

A

Fire containment

110
Q

Which type of solar water heating system heats the water

directly through the use of a batch collector?

A

Passive

111
Q

What does the fire protection standard specify?

A

How the system is designed

112
Q

At what temperature does aluminum begin to lose its rated

strength?

A

350 degrees Fahrenheit (177 degrees Celsius)

113
Q

What fire-resistance rating is usually given to fire walls?

A

1-hour

114
Q

What material is used to construct the lintel commonly

used today?

A

Steel

115
Q

What is the height above the floor at which steel used to

support roofs is NOT required to be protected?

A

20-30 feet (6-9 m)

116
Q

What type of attack should be considered when fighting an

attic space fire?

A

Indirect

117
Q

Where should you climb sagging, fire-weakened wooden

stairs?

A

Close to the inside wall

118
Q

Which is the principal smoke-moving mechanism in the

high-rise building?

A

Thermal energy of fire

119
Q

Which part of tilt slab construction should be examined

carefully?

A

Openings in the wall

120
Q

What is the only way available to limit the amount of gas

and heat produced during a fire?

A

Automatic sprinkler system

121
Q

What term is used to describe the load that will bend or

break the beam?

A

Bending moment

122
Q

Where should the standpipe connection for the attack line

be made?

A

Landing below the fire floor

123
Q

How often should a structural engineer certify steel fire

escapes?

A

5 years

124
Q

Which is NOT a characteristic of mill construction?

A

Columns and beams are of heavy timber with steel connectors

125
Q

Which floors in the North Tower sustained the most damage

when the aircraft impacted it?

A

95 and 96

126
Q

What marks the boundaries of the original structure in the

dining hall at the National Fire Academy?

A

Cast-iron columns

127
Q

As a minimum, how many times the height of the wall should

fire fighters remain for safety?

A

One

128
Q

Which of the following is NOT a typical departure from
true mill construction?

p233-5

A

Medium level combustible contents

129
Q

What rating is often given to corridors?

A

1 hour

130
Q

What fire resistance rating does the code require for

columns on a concrete building?

A

3-hour

131
Q

What was destroyed in the Alfred P. Murrah federal office
building bombing in 1995 that led to the collapse of all
of the upper floors?

A

Exterior columns

132
Q

What fire-resistance rating is usually given to fire walls?

A

1-hour

133
Q

How many floors must be connected as a minimum under

today’s building codes to be classified as an atria?

A

2

134
Q

What type of bracing is used in high-rise buildings to

resist the substantial wind forces that are experienced?

A

K-bracing

135
Q

What should be used to fight a carpeting fire in a

corridor?

A

Solid stream

136
Q

Which utility should particular attention be paid to when
preincident planning in a restaurant?

p397

A

Gas

137
Q

What gives smoke its opaqueness?

A

Solid particulates