BC Quiz 2 Flashcards
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
(MDs 5.2.5)
The correct answer is: Transverse stairs
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
(MDs 5.2.6A)about one foot square
The correct answer is: They are located in voids about two feet square
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
(MDs 5.2.8) Normally the floors above sector supervisor for a lower floor fire
The correct answer is: The Floors Above Sector Supervisor
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
(MDs 5.5.2)
The correct answer is: Medium fire requiring two lines
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
(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
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
(MDs 5.9.1)
The correct answer is: Early in the operation. This may initially be a company officer
Trenching a roof is?
Select one:
a. A defensive operation
b. An offensive operation
(MDs 5.9.9B)
The correct answer is: A defensive operation
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
(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
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
(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
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
(MDs 5.10.1)
The correct answer is: Vertical steel channels
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
(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
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
(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
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
(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
In High Rise FPMD operations, the IC must control all vertical and horizontal ventilation.
Select one:
a. Disagree?
b. Agree
(MDs 6.2.1) IC controls all venting except the fire apartment
The correct answer is: Disagree?
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
(MDs 6.2.2)
The correct answers are: Wind, Building Height, Air leakage to other floors, Temperature differential between outside and inside temperatures