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MAR > Driver Op > Flashcards

Driver Op Flashcards

1
Q

A fire department connection is usually made up of which of the following connection?

A

Two 2 1/2 connections

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2
Q

When does centrifuge force have the greatest effect on an apparatus while it is moving or being driven

A

While making a turn in the apparatus

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3
Q

During an emergency response what presents the greatest potential danger to a fire apparatus

A

At intersections

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4
Q

Is the pressure required at the nozzle to deliver the fire stream and flow rate for which the nozzle was designed ..

A

Nozzle Pressure

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5
Q

How often should a dry hydrant be tested ?

A

Annual basis

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6
Q

In what instance do NFPA standards permit riding on the rear or side of an apparatus ?

A

At no time

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7
Q

How should tools and equipment be transported in the cab of an apparatus ?

A

Secured in an approved bracket

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8
Q

The practice of acting independently of command instruction is known as ?

A

Freelance

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9
Q

Most municipal water systems are which type of water system ?

A

Combination system

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10
Q

The smallest pipes in a system called __ carry water to the users and hydrants along individual streets

A

Distributions

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11
Q

What happens when a nozzle is shutdown rapidly on a hose line ?

A

Water hammer

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12
Q

If a hydrant has a flow rate of 300 GPM what color is its bonnet ?

A

Red

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13
Q

In residential communities’ fire hydrants are usually spaced __ from each other

A

500 ft

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14
Q

Which of the following is not an important factor in determining the reliability of a static water source ?

A

Quality of the water in the water source

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15
Q

Which of the following terms correctly identified that the correct amount of foam and water has been mixed together ?

A

Proportional

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16
Q

Which type of foam is considered a wetting agent and is used effectively for structural protection in a wild land fire environment?

A

Class A foam

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17
Q

Which type of foam would be effective in a large tank fire where the depth of the fuel is significant ?

A

Fluoroprotein foam

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18
Q

Which of the following foams has excellent heat resistance, fuel resistance, and vapor suppression abilities?

A

Fluoroprotein foam

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19
Q

When considering elevation gains in pump discharge pressure, this basis rule is to add __ for each floor above the ground floor

A

5 PSI

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20
Q

What is the minimum flow rate required to calculate friction loss for an appliance ?

A

350 GPM

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21
Q

Is generally the first pumper apparatus to arrive on the scene of a fire

A

Attack pumper

22
Q

Which of the following components that are necessary to create foams

A

Water - foam concentrate - air

23
Q

Which type of foam that is highly effective in confined spaces or basements ?

A

High expansion foam

24
Q

Is a process of pouring foam concentrate directly into the fire apparatus water tank

A

Batch mixing

25
Q

Is corrosive to the apparatus pipes, pumps, and water tanks

A

Foam solution

26
Q

Foam solution is corrosive to apparatus pipes, pumps, and water tanks when ?

A

Batch mixing

27
Q

An inline eductor is attached to the hose line no more than

A

150 ft

28
Q

It is critical that the eductor and nozzle gallons settings

A

Match

29
Q

A foam concentrate pump rated at a maximum of 5 GPM would be able to supply 1% foam concentrate which would produce__ foam solution

A

500 GPM

30
Q

Low expansion foam has a foam expansion ratio of up to

A

20:1

31
Q

As a general rule in standpipe operation your PDP should not exceed __unless you know the system is designed to handle the greater pressure.

A

200 PSI

32
Q

When calculating the amount of friction loss in an unknown standpipe riser, the pump operator should add __ in the calculation.

A

25 PSI

33
Q

The pump operator should attach __ 2 1/2 supply lines to the FDC to begin fire operations on a high-rise building.

A

One

34
Q

Fire hose attached to a fire department connection FDC is considered which type of line ?

A

Supply line

35
Q

During staging specific tasks should be assigned by ?

A

IC

36
Q

What is the elevation pressure (EP) for a nozzle operating on the ninth floor of an office building?

A

40 PSI

37
Q

The hand method is used to quickly determine which of the following.

A

Friction loss

38
Q

The condensed Q method issued for calculating __ in __ hose only

A

Friction loss
3 to 5 inches

39
Q

What is the desired pump pressure when supplying two hand lines of 2 1/2 hose - one 200 ft long the other line 300 ft long - both with a 250 GPM nozzle operating at 100 PSI ?

A

154 PSI

40
Q

What is the greatest limitation of an internal water source for fire attack operations ?

A

Tank capacity

41
Q

Swimming pool could be used as a source of water and therefore would be considered which type of source ?

A

Static source

42
Q

Arrival at a working structure fire, the driver/operator should do which of the following prior to exiting cab of the apparatus ?

A

Engage the pump shift control and verify the pump is engaged

43
Q

Which of the following is one of the commonly used foam systems?

A

Electronic Direct Injection System

44
Q

Fire service hydraulic calculations are used to determine the required __ for the fire ground operations

A

Pump discharge pressure PDP

45
Q

Hydraulic calculation that are scientific or more exact calculations are commonly referred to as

A

Theoretical hydraulics

46
Q

Which of the following statements is correct regarding how to extinguish a fire?

A

The number of GPMS must be great enough to overcome the BTUS

47
Q

Which type of force does a fire fighter experience when he or she opens a nozzle and water is charged from the nozzle

A

Nozzle reaction

48
Q

How many cones at a min are used to conduct the serpentine skill ?

A

Three

49
Q

Driving an apparatus you begin to skid due to icy road conditions what should you do ?

A

Stay off the brake then steer in the direction you want to go

50
Q

What is the purpose of the NFPA 1002 driving skill confined space turn around?

A

To reverse direction of the apparatus 180 degrees if a U-turn is not possible

MAR (2 decks)

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