Truck Questions 121.16 Flashcards

1
Q

When shutting gas off by a curb gate valve where is it located and how do you shut it off?

A

Located between the curb and property line. Turn clockwise until resist (6-20 turns)

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2
Q

In ordinary construction, exterior walls are made of _______________

A

Non combustible or limited combustible materials

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3
Q

Gas meters can be turn off? If so explain the process

A

Turn stopcock so that operating lug is crosswise to the pipe. 1/4 turn

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4
Q

When forming a catch all what and where are the folds made?

A

Ends are 24 inches and and sides are 18 inches. Corners are folded in, but not patted down.

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5
Q

The first portable light should be set up?

A

At the entry point into the structure

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6
Q

The lighting and power equipment used on an emergency scene generally operates at?

A

110 volts ac

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7
Q

What is the term for operations undertaken to limit or reduce property losses?

A

Salvage

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8
Q

What is the term for plastic that will melt under fire conditions?

A

Thermoplastic

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9
Q

Fire retardant wood is treated with?

A

Mineral salt

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10
Q

What is the term for operations undertaken to find and extinguish any remaining pockets of fire?

A

Overhaul

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11
Q

Which sort of air movement is likely on a hot day in a air conditioned tall building?

A

Downdraft

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12
Q

What is a term for an open space within a wall where wires and pipes tun

A

Chase

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13
Q

What is a commonly used structural material in a type 1 building?

A

Protected steel

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14
Q

It is permissible to remove scba during salvage operations after?

A

Atmosphere has been tested and found safe

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15
Q

Within a room or space, where are the hottest gases found?

A

At the highest levels

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16
Q

Which structural component is composed of relatively smalll and lightweight components arranged in a series of triangles?

A

Tress

17
Q

What are smoke,heat,gases collectively called?

A

Products of combustion

18
Q

What is the maximum wattage that an apparatus-mounted generator can produce?

A

Between 10,000 and 15,000 Watts

19
Q

What indications could you use to determine that you are over a main body of fire?

A

Bubbling tar, dry spots,melting snow,fire showing from top floor

20
Q

Describe a salvage cover

A

12 x 18 heavy plastic cover, with 24 groomettes on the sides and ends

21
Q

How does a member check for roof stability

A

Sound with a tool

22
Q

What is type V construction?

A

Wood frame

23
Q

Which hazards is of particular concern in a basement fire?

A

Smoke and heat venting up the stairs towards firefighters

24
Q

When using two salvage covers to form a cover how is the seam made?

A

First cover fold back onto itself 8”. Next cover married on top , 2 folds of 4” inches each are made then patted down

25
Q

What is term for the transfer of heat through a circulating medium of liquid or gas?

A

Convection

26
Q

What is a “kerf” cut?

A

A small triangular cut used as a observation hole

27
Q

Which device interrupts the current when there is a problem with an electrical ground?

A

G.F.I.

28
Q

The output range for portable lights is generally ____________ watts?

A

300-1500 watts

29
Q

Which type of construction is called ordinary construction?

A

Type 3

30
Q

In which construction type are there uninterrupted channels in the walls from foundation to attic?

A

Balloon frame

31
Q

What is the term for chemical change that occurs to wood when it is heated?

A

Pyrolysis

32
Q

Which type of construction is navy timber?

A

Type 4

33
Q

How would you warn members below that you are about to break a skylight?

A

Break small amount of glass

Use a portable radio

34
Q

When throwing a coverall what should you do to expel air

A

Pull down sharply

35
Q

If a fire valve cannot be open at first what may you do to assist yourself in gaining access?

A

Tap edges while applying press in a counterclockwise direction

36
Q

The structural components of a type _________________ building will not burn?

A

Type 2