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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
Is corrosive to the apparatus pipes, pumps, and water tanks
Foam solution
26
Foam solution is corrosive to apparatus pipes, pumps, and water tanks when ?
Batch mixing
27
An inline eductor is attached to the hose line no more than
150 ft
28
It is critical that the eductor and nozzle gallons settings
Match
29
A foam concentrate pump rated at a maximum of 5 GPM would be able to supply 1% foam concentrate which would produce__ foam solution
500 GPM
30
Low expansion foam has a foam expansion ratio of up to
20:1
31
As a general rule in standpipe operation your PDP should not exceed __unless you know the system is designed to handle the greater pressure.
200 PSI
32
When calculating the amount of friction loss in an unknown standpipe riser, the pump operator should add __ in the calculation.
25 PSI
33
The pump operator should attach __ 2 1/2 supply lines to the FDC to begin fire operations on a high-rise building.
One
34
Fire hose attached to a fire department connection FDC is considered which type of line ?
Supply line
35
During staging specific tasks should be assigned by ?
IC
36
What is the elevation pressure (EP) for a nozzle operating on the ninth floor of an office building?
40 PSI
37
The hand method is used to quickly determine which of the following.
Friction loss
38
The condensed Q method issued for calculating __ in __ hose only
Friction loss 3 to 5 inches
39
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 ?
154 PSI
40
What is the greatest limitation of an internal water source for fire attack operations ?
Tank capacity
41
Swimming pool could be used as a source of water and therefore would be considered which type of source ?
Static source
42
Arrival at a working structure fire, the driver/operator should do which of the following prior to exiting cab of the apparatus ?
Engage the pump shift control and verify the pump is engaged
43
Which of the following is one of the commonly used foam systems?
Electronic Direct Injection System
44
Fire service hydraulic calculations are used to determine the required __ for the fire ground operations
Pump discharge pressure PDP
45
Hydraulic calculation that are scientific or more exact calculations are commonly referred to as
Theoretical hydraulics
46
Which of the following statements is correct regarding how to extinguish a fire?
The number of GPMS must be great enough to overcome the BTUS
47
Which type of force does a fire fighter experience when he or she opens a nozzle and water is charged from the nozzle
Nozzle reaction
48
How many cones at a min are used to conduct the serpentine skill ?
Three
49
Driving an apparatus you begin to skid due to icy road conditions what should you do ?
Stay off the brake then steer in the direction you want to go
50
What is the purpose of the NFPA 1002 driving skill confined space turn around?
To reverse direction of the apparatus 180 degrees if a U-turn is not possible

MAR (2 decks)

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