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Flashcards in BC Quiz 2 Deck (25)
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1
Q
The preferred stairway for heavy fire operations on a top floor of a New Law Tenement is?
Select one:
a. Return stairs
b. Transverse stairs
c. Wing stairs
d. Isolated stairs
A

(MDs 5.2.5)

The correct answer is: Transverse stairs

2
Q

Regarding channel rails, it is incorrect to state that?
Select one:
a. They are vertical columns found from the foundation to the cockloft
b. Some vertical voids may contain channel rails along with the waste and water pipes
c. The main concern is that they are not fire-stopped
d. They are located in voids about two feet square

A

(MDs 5.2.6A)about one foot square

The correct answer is: They are located in voids about two feet square

3
Q
Units are operating at a 4-story non-fireproof multiple dwelling where there is heavy fire on the first floor extending to the 2nd floor requiring a second alarm assignment. Who would normally supervise units on the 4th floor at this fire?
Select one:
a. The Floors Above Sector Supervisor
b. The Top Floor Sector Supervisor
c. The Fire Sector Supervisor
d. The IC
A

(MDs 5.2.8) Normally the floors above sector supervisor for a lower floor fire
The correct answer is: The Floors Above Sector Supervisor

4
Q

An extra engine and ladder should be special called above the first alarm assignment to an apartment fire in an H-type if there is a?
Select one:
a. Heavy fire requiring more than two lines
b. Medium fire requiring two lines
c. Medium fire requiring only one line
d. Heavy fire requiring more than three lines

A

(MDs 5.5.2)

The correct answer is: Medium fire requiring two lines

5
Q

Cellars in New Law Tenements and apartment houses have all of the following construction features except?
Select one:
a. Concrete ceilings, rated at 2 hour fire resistance
b. Fireproof construction throughout the cellar
c. Wood sleepers are embedded in the top of the concrete to nail the first floor floorboards to
d. Holes for wiring or pipes to upper floors that are always sealed and are totally reliable

A

(MDs 5.8.1) Usually sealed, full reliance cannot be made

The correct answer is: Holes for wiring or pipes to upper floors that are always sealed and are totally reliable

6
Q

A top floor fire that extends into the cockloft in an H-type requires the IC to assign a Roof Sector Supervisor?
Select one:
a. Whenever the third Chief Officer arrives
b. Early in the operation. This may initially be a company officer
c. Whenever the second Chief Officer arrives
d. Early in the operation. This shall initially be a Chief Officer

A

(MDs 5.9.1)

The correct answer is: Early in the operation. This may initially be a company officer

7
Q

Trenching a roof is?
Select one:
a. A defensive operation
b. An offensive operation

A

(MDs 5.9.9B)

The correct answer is: A defensive operation

8
Q

Effective trenches have all of the following characteristics except?
Select one:
a. Not opened until there is an adequate vent opening directly over the fire
b. Pulled when the fire passes the inspection holes
c. At least 3 feet wide
d. Two or more inspection holes may be cut on the fire side

A

(MDs 5.9.9 B, C) Pulled when fire reaches the inspection holes
The correct answer is: Pulled when the fire passes the inspection holes

9
Q

Trenches should be cut with all of the following tactics except?
Select one:
a. Taking advantage of outside walls and interior fire walls
b. At the narrowest available roof section
c. With a charged line brought to the roof
d. 20 feet from the initial vent hole

A

(MDs 5.9.9 E, H) Taking advantage of outside walls. Do not use interior fire walls
The correct answer is: Taking advantage of outside walls and interior fire walls

10
Q
The most probable point for vertical fire extension in an H-type is?
Select one:
a. Waste pipe voids
b. Closets
c. Dumbwaiter shafts
d. Vertical steel channels
A

(MDs 5.10.1)

The correct answer is: Vertical steel channels

11
Q

Regarding subdividing firewalls, it would be correct to state?
Select one:
a. Apartments in the throat may span a firewall and have two interior stairs as exits with no fire escape
b. A fire escape in the throat that spans the firewall indicates one apartment in the throat
c. Fire partitions in the throat always extend from the front to the rear wall
d. Subdividing walls are usually continued above the roof line

A

(MDs 5.11.3, 5.11.6) (A,one apartment in the throat, C,usually extend from the front to the rear wall, D,usually not continued above the roof line)
The correct answer is: Apartments in the throat may span a firewall and have two interior stairs as exits with no fire escape

12
Q

An IC operating at a fire in a High Rise fireproof multiple dwelling would be incorrect to think?
Select one:
a. The attack stair door should be the only stair door that is left open on the fire floor
b. He must notify the borough dispatcher and members on scene of the evacuation stair letter designation
c. Smoke will travel via vertical shafts, most notably the stairwells and elevator shafts
d. If there are enclosed stairwells, doors to any and all evacuation stairs must be maintained closed on the fire floor

A

(MDs 6.1) Attack stair
The correct answer is: He must notify the borough dispatcher and members on scene of the evacuation stair letter designation

13
Q

Regarding smoke movement at an apartment fire in a FPMD, it is incorrect to state?
Select one:
a. Lower air pressure areas include public hallways, vertical shafts, stairways and elevators
b. Vertical vent will only be performed at the direction of the IC or Fire Sector Supervisor
c. Smoke and hot fire gases increase the air pressure inside the fire apartment
d. Higher air pressure will always travel toward areas of low pressure

A

(MDs 6.2.2) Direction of the IC only

The correct answer is: Vertical vent will only be performed at the direction of the IC or Fire Sector Supervisor

14
Q

In High Rise FPMD operations, the IC must control all vertical and horizontal ventilation.
Select one:
a. Disagree?
b. Agree

A

(MDs 6.2.1) IC controls all venting except the fire apartment
The correct answer is: Disagree?

15
Q

Stack effect is influenced by which of the following?
Select one or more:
a. Building Height
b. Temperature differential between outside and inside temperatures
c. Wind
d. Air leakage to other floors

A

(MDs 6.2.2)
The correct answers are: Wind, Building Height, Air leakage to other floors, Temperature differential between outside and inside temperatures

16
Q

Regarding the fire load in a building, it is incorrect to state?
Select one or more:
a. The greater the fire load, the greater the possibility of a structural collapse
b. It includes only the content of the structure, not the structure itself
c. It is the measure of maximum heat release when all the combustibles in an area are burned
d. Structural collapse is directly proportional to the fire load

A

(Chap 2,Pg8) It includes both the content and the structure
The correct answers are: It is the measure of maximum heat release when all the combustibles in an area are burned, It includes only the content of the structure, not the structure itself, Structural collapse is directly proportional to the fire load, The greater the fire load, the greater the possibility of a structural collapse

17
Q
A horizontal piece of timber, stone or steel placed over an opening in a wall is a?
Select one:
a. Lintel
b. Gusset Plate
c. Facade
d. Kip
A

(Chap 2,Pg9)

The correct answer is: Lintel

18
Q
A load that creates a twisting stress is a?
Select one:
a. Axial load
b. Impact load
c. Torsional load
d. Eccentric load
A

(Chap 2,Pg10)

The correct answer is: Torsional load

19
Q
Which of the following are example(s) of a dead load?
Select one or more:
a. Column
b. Girder
c. Wall
d. Fire escape
e. Large, heavy piano
A

(Chap 2,Pg11)

The correct answers are: Column, Wall, Girder, Fire escape

20
Q

Examples of an impact load include?
Select one or more:
a. A master stream directed in a whipping manner
b. A firefighter running up a fire escape
c. Large, heavy contents on a floor of a building
d. An explosion

A

(Chap 2,Pg11)

The correct answers are: An explosion, A master stream directed in a whipping manner

21
Q
A stress placed on a structural member by the pull of forces causing extension is?
Select one:
a. Tension
b. Vibration
c. Shear
d. Compression
A

(Chap 2,Pg11 to 12)

The correct answer is: Tension

22
Q

Which of the following is true about steel?
Select one:
a. It is strong in both compression and tension strength
b. It is strong in tension strength only
c. It is not strong in compression or tension strength
d. It is strong in compression strength only

A

(Chap 2,Pg11)

The correct answer is: It is strong in both compression and tension strength

23
Q

Which of the following is true about concrete?
Select one:
a. It is not strong in compression or tension strength
b. It is strong in both compression and tension strength
c. It is strong in compression strength only
d. It is strong in tension strength only

A

(Chap 2,Pg11)

The correct answer is: It is strong in compression strength only

24
Q
In the hierarchy of structural framing, the most serious collapse of a structural element is the collapse of a?
Select one:
a. Floor beam
b. Bearing Wall
c. Column
d. Girder
A

(Chap 2,Pg13)

The correct answer is: Bearing Wall

25
Q
All of the following are primary structural members except?
Select one:
a. Trimmer beams
b. Girders
c. Hip Rafters
d. Tail Beams
e. Header beams
f. Columns
g. Ridgepole
h. Bearing Walls
A

(Chap 2,Pg13 to 14)

The correct answer is: Tail Beams