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