Pumping and Aerial Driver Operator 3rd Ed.
Audit Quiz
Question 1
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50
What is the NFPA Standard for Automotive Fire Apparatus?
1728
1500
1002
1901
Question 2
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50
Which term refers to a pumper built on a pickup-truck chassis?
Mini-pumper
Micro-pumper
Attack pumper
Midi-pumper
Question 3
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50
During the air brake system test, for a straight-chassis vehicle with the brake pedal depressed, pressure loss should not exceed _____ over one minute.
5 psi (34 kPa)
10 psi (69 kPa)
3 psi (21 kPa)
1 psi (7 kPa)
Question 4
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50
The parking brake test is performed at which speed?
5 mph (8 km/h)
7 mph (11 km/h)
3 mph (5 km/h)
0 mph (0 km/h)
Question 5
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50
The paint and clear-coat of a new apparatus require special care for about __________ after it is received.
Three months
One week
Six months
One month
Question 6
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50
Which statement about NFPA requirements for replacing apparatus tires is correct?
Replacement is not required for tires in good condition
Replacement is required every 5 years
Replacement is required every 10 years
Replacement is required every 7 years
Question 7
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50
Which item should be checked while the engine is running?
Power steering fluid
Automatic transmission fluid
Engine belts
Crankcase oil
Question 8
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50
How many firefighters were killed while responding to or returning from an emergency call in 2010?
12
22
17
29
Question 9
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50
What is required by the NFPA when reloading large diameter hose onto an apparatus by driving the apparatus over (straddling) the hose?
The loader on the ground must have radio contact with the driver
The loader on the tailboard must wear a safety strap
Backing over the hose is permitted only when there is a safety observer who has radio contact with the driver
The apparatus must drive forward during loading
Question 10
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50
Which is a common result of prolonged idling of a diesel motor?
Increased oil temperature
Exhaust manifold damage
Increased carbon build-up
Fuel contamination of crankcase oil
Question 11
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50
As you begin to ascend a steep ramp, the rear of your apparatus scraps the pavement. Which point of contact did you fail to take into account?
Angle of approach
Ground clearance
Angle of departure
Ramp breakover angle
Question 12
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50
The effectiveness of audible warning devices __________.
Decreases with simultaneous use of more than one device
Decreases as vehicle speed increases
Decreases with more frequent changes of pitch
Increases as vehicle speed increases
Question 13
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50
During an emergency response, you are nearing an intersection where there is good visibility for all approaches. In front of you, all lanes of traffic are blocked in the same direction you are traveling. What should you do?
Use the apparatus public address speaker to direct the movement of vehicles
Cautiously move the apparatus into an oncoming traffic lane and proceed slowly through the intersection
Signal the cars in the lane directly ahead of you to pull forward into the intersection and off to the side
Temporarily shut off your warning devices and wait until the signal changes
Question 14
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50
Several seconds have passed after starting the apparatus motor, and you notice that the oil pressure remains well below normal. What should you do?
Run the motor at fast idle to bring up the pressure
Stop the motor immediately
Continue to idle the motor for another minute to see if the pressure rises
Rev the motor to bring up the pressure
Question 15
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50
In general, what is the best attack pumper placement when there are no signs of fire?
At the nearest hydrant or fire department connection
Past the front of the building to permit a look at three sides of the structure
At the closest corner of the structure from the direction of approach
At the building's main access point
Question 16
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50
What do ornamental stars or large nuts and washers on the exterior walls of a building indicate?
Bowstring truss construction
Lightweight construction
Type IV construction
Structural reinforcement rods
Question 17
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50
Which is the best choice for a hydrant connection?
Two or more medium-diameter lines
Small diameter hard suction hose
Large diameter hard suction hose
Large diameter intake hose
Question 18
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50
Hoselines used in a mobile wildland attack should be __________.
A minimum of 50 feet (15 m) long
A minimum of 100 feet (30 m) long
As short as possible
A minimum of 150 feet (46 m) long
Question 19
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50
In which hazmat control zone is decontamination usually performed?
Restricted
Cold
Warm
Support
Question 20
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50
At which temperature does water convert from a liquid to a gas?
0 deg F (-18 deg C)
100 deg F (38 deg C)
212 deg F (100 deg C)
32 deg F (0 deg C)
Question 21
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50
Water's rate of heat absorption is directly affected by the __________ of the water.
Volume
Surface area
Pressure
Velocity
Question 22
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50
The pressure of a liquid in an open container is proportional to its __________.
Shape
Depth
Viscosity
Volume
Question 23
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50
All other things being equal, friction loss __________ with the length of a hose.
Varies directly
Does not vary
Varies proportionally
Varies inversely
Question 24
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50
Suddenly stopping the flow of water through a hose or pipe will result in __________.
Critical velocity
Cavitation
Water hammer
Static pressure
Question 25
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50
One of three key water consumption rates that engineers consider in water distribution system design is __________ consumption.
Projected
Minimum daily
Peak hourly
Level mean
Question 26
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50
Each of the following is one of the three basic types of fire streams EXCEPT ONE. CHOOSE THE EXCEPTION.
Straight
Fog
Broken
Solid
Question 27
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50
Which fog nozzle first deflects water off a circular stem in the center of the nozzle and then off the inside of the exterior barrel?
Center-deflected
Periphery-deflected
Combination
Impinging
Question 28
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50
Nozzle pressure for solid master stream is generally _____ psi.
80 (550 kPa)
60 (415 kPa)
100 (690 kPa)
75 (515 kPa)
Question 29
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50
Which is the simplified formula for calculating solid stream nozzle reaction?
Q/2
NP/2Q
Q/3
1.5 x NP
Question 30
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50
Discharge from a 1-3/4" (45 mm) solid stream nozzle operating at 50 psi (350 kPa) is _____ gpm.
645 (2425 L/min)
590 (2235 L/min)
670 (2515 L/min)
615 (2330 L/min)
Question 31
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50
Total pressure loss from 2-1/2" hoseline 350 feet in length with a 1" solid stream nozzle operating at 50 psi is _____ psi.
31
13
9
18
Question 32
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50
Two 1-1/2" lines, each flowing 100 gpm, and each 150 feet in length, are wyed off of a 2-1/2" supply line that is 250 feet in length. What is the total pressure loss in psi?
72
40
56
61
Question 33
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50
What is the correct pump discharge pressure in psi for a 2-1/2" attack line, 150 feet long, discharging 250 gpm through a standard fog nozzle?
135
119
144
127
Question 34
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50
A pumper is supplying two attack lines, both using standard fog nozzles. Line 1 is 600 feet of 1-1/2" hose, discharging 25 gpm from 100 feet below the engine. Line 2 is 1-1/2" hose, 650 feet long, discharging 25 gpm from 60 feet below the engine. What is the correct pump discharge pressure in psi?
60
80
90
70
Question 35
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50
What is the friction loss coefficient for 1" booster hose?
200
250
150
275
Question 36
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50
What is the friction loss coefficient for 3-1/2" hose?
0.2
0.8
0.34
0.67
Question 37
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50
What is the friction loss coefficient for 38 mm hose?
38
24.6
53.5
47
Question 38
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50
What is pressure loss caused by hose lining, couplings, kinks, etc?
Dynamic loss
Residual pressure
Back pressure
Friction loss
Question 39
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50
As a general rule of thumb, friction loss for a master stream appliance is _____ psi.
25 (175 kPa)
15 (105 kPa)
20 (140 kPa)
10 (70 kPa)
Question 40
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50
Elevation pressure loss for a hoseline discharging 80 feet (24 m) above the pump is _____ psi.
40 (275 kPa)
20 (140 kPa)
30 (200 kPa)
35 (240 kPa)
Question 41
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50
What does a flowmeter indicate?
Amount of water being discharged
Friction loss between the discharge and the nozzle
Pressure at the pump discharge
Pressure at the nozzle
Question 42
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50
How should a flowmeter be used to adjust pump throttle while pumping into a supply line in a relay operation?
Increase pump speed until the flowmeter reading begins to fluctuate, then reduce pump speed slightly
Increase pump pressure to provide an intake pressure of 50 psi (350 kPa) at the receiving pumper
Increase pump throttle until minimum residual pressure plus 10 psi (70 kPa) is reached
Increase pump throttle until discharge volume no longer increases
Question 43
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50
What is the correct procedure to estimate friction loss using the gpm flowing method for 100 feet of 2-1/2" hose?
Subtract 10 from the first two digits of the flow in gpm
Find the square root of the flow in gpm
Multiply the flow in gpm by .10
Divide the flow in gpm by 100, and square it
Question 44
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50
With a positive displacement pump, the amount of fluid pumped __________.
Is not related to pump speed
Varies at a fixed pump speed
Is constant at a given pump speed
Increases or decreased with demand
Question 45
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50
Which pump type is non-positive displacement?
Rotary gear
Rotary vane
Piston
Centrifugal
Question 46
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50
Because there is no mechanical obstruction between the intake and discharge sides of a centrifugal pump, __________.
The pump is less susceptible to damage from water hammer
Suction and discharges hoses can be interchanged without affecting operation
It can draft from greater heights than other pump types
How does a multistage centrifugal pump differ from a single-stage centrifugal pump?
In the number of pump housings
In the maximum capacity
In the use of double suction impellers
In the number of impellers
Question 48
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50
PTO's used on apparatus with automatic transmissions are driven by __________.
The drive shaft
Hydraulic fluid pressure
A fluid coupling
The flywheel
Question 49
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50
NFPA standards require that for a pumper with a rated capacity of 500 gpm (2000 L/min) or less, the piping supplying the pump from the tank must be able to flow a minimum of _____ gpm.
250 (1000 L/min)
300 (1100 L/min)
350 (1300 L/min)
450 (1700 L/min)
Question 50
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50
Pumpers with a rated capacity of 750 gpm (3000 L/min) or greater must be plumbed with a minimum of _____ 2-1/2" (65 mm) discharge(s).