Brainscape's Knowledge GenomeTM

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


See full index

3A2 > 3A2 Chapter 15 > Flashcards

3A2 Chapter 15 Flashcards

1
Q

Which of the following is a class C fire?

A) a lumber pile
B) generator coils
C) a coal pile
D) a fuel tank
E) a paint can
A

B) generator coils

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

Which of the following is a class B fire?

A) coal storage
B) electrical panel
C) pile of paper
D) paint storage
E) lumber pile
A

D) paint storage

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

Which of the following is a class A fire?

A) fuel tank
B) generator coil
C) coal storage
D) oil storage
E) paint storage
A

C) coal storage

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

Which of the following extinguishers would ordinarily be used to combat a class C fire?

1) carbon dioxide
2) foam
3) dry chemical
4) water

A) 1,2
B) 1,3
C) 2,3
D) 1,4
E) 3,4
A

B) 1,3

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

Which of the following is a class D fire?

A) cloth and paper
B) lubricating oils
C) magnesium
D) electrical wire

A

C) magnesium

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

Dry chemical fire extinguishing agents:

A) alter the vapour phase concentration of the fuel oxidizing agent
B) stop the chemical chain reaction sequence associated with fire
C) cool the fuel/oxidizing agent mixture below the ignition temperature of the fuel
D) place a barrier, or effective separation,between the fuel and the oxidizing agent (usually air)

A

B) stop the chemical chain reaction sequence associated with fire

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

The first dry chemical fire extinguishing agent to be formulated was based on sodium bicarbonate

A) true
B) false

A

A) true

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

Formulations based upon potassium bicarbonate (purple k) are found to be about ________ as effective as those based on sodium bicarbonate

A) half
B) the same
C) twice
D) five times

A

C) twice

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

Referred to as _______ dry chemical, it is based upon mixtures of ammonium phosphates or ammonium phosphates and sulphates

A) mixture
B) multi-purpose
C) new
D) red B

A

B) multi-purpose

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

Aqueous film forming foam (_____) was developed at the U.S. Naval Research Laboratory primarily to provide very rapid fire extinguishment, or knockdown capabilities

A) ARC
B) PFC
C) AFFF
D) DFFG

A

C) AFFF

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

Fire detection provisions are not needed so that automatic or manual fire suppression can be initiated

A) true
B) false

A

B) false

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

______ is often the first indicator of fire, so a system of automatic detectors should be used

A) heat
B) smoke
C) flames
D) smell

A

B) smoke

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

Heat detectors are generally located on or near:

A) the floor
B) the walls
C) the ceiling
D) the roof top

A

C) the ceiling

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

As it is heated, a ________ _______ deforms in the direction of the contact point

A) smoke detector
B) gas detector
C) bimetallic strip
D) flame detector

A

C) bimetallic strip

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

The width of the gap between the contacts of a bimetallic strip determines the operating temperature; the wider the gap, the _____ the operating point

A) lower
B) nearest
C) same
D) higher

A

D) higher

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

A smoke detector will detect most fires much more______ than a heat detector

A) slowly
B) rapidly
C) accurately
D) inaccurately

A

B) rapidly

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

Standpipe systems are used in buildings over _____ in height, since that is the practical limit for fire fighters to couple hose together from the pumper truck at street level up the stairways to the fire floor

A) 3 stories (14m)
B) 2 stories (12m)
C) 15 stories (75m)
D) 10 stories (50m)

A

A) 3 stories (14m)

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

Why are the connections on the floor below the fire used most frequently?

A) this allows use of the connections on the fire floor as well
B) the fire is approached from below rather than above
C) if the fire were approached from above with the stair doors open and the heat of the fire rising, it would be similar to approaching the fire through a chimney
D) it is easier to go up than down
E) A, B, C
F) all

A

E) A, B, C

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

Standpipes for risers of less than 30 m are usually NPS 102 mm pipe, over 30 m, the pipe is usually NPS 152 mm. Where a building has a high level fire zone; that is, floors more than 85 m above street level, then the riser to these higher floors is usually NPS 203 mm

A) true
B) false

A

A) true

20
Q 
List applications of wet pipe systems:
A) office buildings
B) stores
C) manufacturing facilities
D) hotels
E) healthcare facilities
F) all
A

F) all

21
Q

Dry pipe systems are found in environments where the temperature is maintained below:

A) -2 degrees C
B) 0 degrees C
C) 5 degrees C
D) 4 degrees C

A

D) 4 degrees C

22
Q

Preaction systems applications are typically:

A) computer equipment
B) communication equipment
C) museums
D) all

A

D) all

23
Q

Deluge systems are intended to deliver ______ quantities of water over a ______ area in a relatively short period of time

A) small, large
B) large, large
C) small, small
D) large, small

A

B) large, large

24
Q

Two general ways in which a sprinkler system may be pressurized is by:

1) air
2) ammonia
3) hydrogen
4) water
5) oxygen

A) 1,2
B) 1,4
C) 3,5
D) 2,3
E) 1,5
A

B) 1,4

25
Q

Sprinkler systems consist of a pressure or gravity tank to maintain the correct water pressure, control valves for each section, and lengths of piping fitted with ______ ______

A) sprinkler feet
B) sprinkler heads
C) spindle heads
D) header ends

A

B) sprinkler heads

26
Q

List the main elements of a fire protection system for an industrial site

A) fire pump
B) main water piping loops
C) sectional control valves
D) hydrants
E) all
A

E) all

27
Q

Hydrant spacing is usually determined by the fire flow demand established on the basis of the type, size, occupancy, and exposure of the structure

A) true
B) false

A

A) true

28
Q

For average conditions, hydrants normally are placed about _____ from buildings

A) 15 m
B) 25 m
C) 12.2 m
D) 10 m

A

C) 12.2 m

29
Q

A safe rule to follow is to bury the top of the pipe not less an _____ below the lowest frost line for the locality

A) 0.5 m
B) 1.0 m
C) 0.3 m
D) 2.0 m

A

C) 0.3 m

30
Q

There are two types of fire hydrants in general use today. The ______ and the ______

A) dry barrel, wet barrel
B) long barrel, short barrel
C) red colour, lime green colour
D) stubby mount, flush mount

A

A) dry barrel, wet barrel

31
Q

Ways to detect freezing in a hydrant include:

A) open the hydrant fully and listen for water
B) lowering a weight on a stout string into the hydrant. It may strike ice, or come up wet, showing water in the barrel
C) pressure e hydrant with gas
D) feel the temperature of the metal

A

B) lowering a weight on a stout string into the hydrant. It may strike ice, or come up wet, showing water in the barrel

32
Q

The most satisfactory method of thawing a hydrant is by means of a:

A) vacuum truck
B) propane torch
C) steam hose
D) methanol

A

C) steam hose

33
Q

Fixed _____ sprays are designed specifically to provide optimum control, extinguishment, or exposure protection for special fire protection problems

A) foam
B) gas
C) water
D) purple K

A

C) water

34
Q

The piping system is connected to a water supply through a ______ valve that can be actuated both automatically and manually to initiate the flow of water

A) water
B) globe
C) control
D) deluge

A

D) deluge

35
Q

Automatic system actuation valves for spray systems can be actuated electrically by the operation of automatic detection equipment, such as:

A) heat detectors
B) relay circuits
C) gas detectors
D) mechanically
E) all
A

E) all

36
Q

Fixed water spray systems are most commonly used to protect equipment from exposure fires in flammable liquid and gas tankage, piping, and equipment

A) true
B) false

A

A) true

37
Q

In most cases, it is desired a water spray be used to extinguish burning gases, such a LPG (liquid petroleum gas)

A) true
B) false

A

B) false

38
Q

Foam systems are used where flammable liquid fire protection is required for permanently installed hazards, such as fuel storage tanks or dip tanks containing flammable or combustible liquids, _________ and distributing devices are installed internally in the tank

A) spray
B) air-foam-generating
C) extinguishment
D) snuffing

A

B) air-foam-generating

39
Q

Fire protection of large outdoor fuel tanks requires that several foam chambers with foam-makers be installed at equally spaced positions slightly below the _____ of the tanks

A) bottom
B) middle
C) top rim
D) centre

A

C) top rim

40
Q

Central foam distributing systems consist of an enclosure housing a foam concentrate supply tank and a ______ device

A) mixing
B) separating
C) floating
D) proportioning

A

D) proportioning

41
Q

Foam-water sprinkler systems is used in areas where flammable and combustible liquids are processed, stored, or handled; a water discharge may be ineffective for controlling or extinguishing fires

A) true
B) false

A

A) true

42
Q

There is always a risk of an emergency, no matter how complete the _______

A) safety program
B) emergency procedures
C) fire detection
D) process design

A

A) safety program

43
Q

Emergency preparedness means having plans in place in the event of an emergency

A) true
B) false

A

A) true

44
Q

In large industrial settings, workers on shift will be trained in specifics _______ to follow in the event of an emergency, including fire

A) positions
B) assignments
C) levels
D) times

A

B) assignments

45
Q

Emergency response procedures are developed to instruct first responders in the event of a fire. A typical procedure would consist of the following:

A) sound the alarm
B) complete a risk assessment of the situation
C) attempt to extinguish, or control the fire. If the fire escalates, back away. Never turn your back on a fire
D) all

A

D) all

46
Q

As soon as you notice a fire, your first reaction should be to:

A) fight it
B) contain it
C) get help
D) secure expensive equipment
E) sound an alarm
A

E) sound an alarm

47
Q

In case of a fire, the third step in the proper procedure for fighting the fire is to:

A) evacuate the building or plant
B) fight the fire
C) sound the alarm
D) call for help
E) pressurize the extinguisher
A

B) fight the fire

3A2 (15 decks)

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