Pumping and Aerial Driver Operator 3rd Ed. Audit Quiz

Question 1 of 50

What is the NFPA Standard for Automotive Fire Apparatus?

Question 2 of 50

Which term refers to a pumper built on a pickup-truck chassis?
  Attack 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.
  1 psi (7 kPa)
  10 psi (69 kPa)
  3 psi (21 kPa)
  5 psi (34 kPa)

Question 4 of 50

The parking brake test is performed at which speed?
  3 mph (5 km/h)
  7 mph (11 km/h)
  0 mph (0 km/h)
  5 mph (8 km/h)

Question 5 of 50

The paint and clear-coat of a new apparatus require special care for about __________ after it is received.
  One week
  Three months
  One month
  Six months

Question 6 of 50

Which statement about NFPA requirements for replacing apparatus tires is correct?
  Replacement is required every 10 years
  Replacement is required every 5 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?
  Engine belts
  Power steering fluid
  Automatic transmission fluid
  Crankcase oil

Question 8 of 50

How many firefighters were killed while responding to or returning from an emergency call in 2010?

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 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 tailboard must wear a safety strap
  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?
  Increased oil temperature
  Increased carbon build-up
  Fuel contamination of crankcase oil
  Exhaust manifold damage

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 approach
  Angle of departure

Question 12 of 50

The effectiveness of audible warning devices __________.
  Decreases with simultaneous use of more than one device
  Increases as vehicle speed increases
  Decreases with more frequent changes of pitch
  Decreases as vehicle speed increases

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?
  Cautiously move the apparatus into an oncoming traffic lane and proceed slowly through the intersection
  Use the apparatus public address speaker to direct the movement of vehicles
  Temporarily shut off your warning devices and wait until the signal changes
  Signal the cars in the lane directly ahead of you to pull forward into the intersection and off to the side

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?
  Continue to idle the motor for another minute to see if the pressure rises
  Rev the motor to bring up the pressure
  Run the motor at fast idle to bring up the pressure
  Stop the motor immediately

Question 15 of 50

In general, what is the best attack pumper placement when there are no signs of fire?
  At the building's main access point
  Past the front of the building to permit a look at three sides of the structure
  At the nearest hydrant or fire department connection
  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?
  Type IV construction
  Structural reinforcement rods
  Bowstring truss construction
  Lightweight construction

Question 17 of 50

Which is the best choice for a hydrant connection?
  Large diameter intake hose
  Two or more medium-diameter lines
  Large diameter hard suction hose
  Small diameter hard suction hose

Question 18 of 50

Hoselines used in a mobile wildland attack should be __________.
  As short as possible
  A minimum of 150 feet (46 m) long
  A minimum of 100 feet (30 m) long
  A minimum of 50 feet (15 m) long

Question 19 of 50

In which hazmat control zone is decontamination usually performed?

Question 20 of 50

At which temperature does water convert from a liquid to a gas?
  32 deg F (0 deg C)
  212 deg F (100 deg C)
  100 deg F (38 deg C)
  0 deg F (-18 deg C)

Question 21 of 50

Water's rate of heat absorption is directly affected by the __________ of the water.
  Surface area

Question 22 of 50

The pressure of a liquid in an open container is proportional to its __________.

Question 23 of 50

All other things being equal, friction loss __________ with the length of a hose.
  Varies proportionally
  Varies inversely
  Does not vary
  Varies directly

Question 24 of 50

Suddenly stopping the flow of water through a hose or pipe will result in __________.
  Critical velocity
  Water hammer
  Static pressure

Question 25 of 50

One of three key water consumption rates that engineers consider in water distribution system design is __________ consumption.
  Peak hourly
  Level mean
  Minimum daily

Question 26 of 50

Each of the following is one of the three basic types of fire streams EXCEPT ONE. CHOOSE THE EXCEPTION.

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?

Question 28 of 50

Nozzle pressure for solid master stream is generally _____ psi.
  100 (690 kPa)
  60 (415 kPa)
  75 (515 kPa)
  80 (550 kPa)

Question 29 of 50

Which is the simplified formula for calculating solid stream nozzle reaction?
  1.5 x NP

Question 30 of 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 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.

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?

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?

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?

Question 35 of 50

What is the friction loss coefficient for 1" booster hose?

Question 36 of 50

What is the friction loss coefficient for 3-1/2" hose?

Question 37 of 50

What is the friction loss coefficient for 38 mm hose?

Question 38 of 50

What is pressure loss caused by hose lining, couplings, kinks, etc?
  Back pressure
  Dynamic loss
  Residual pressure
  Friction loss

Question 39 of 50

As a general rule of thumb, friction loss for a master stream appliance is _____ psi.
  10 (70 kPa)
  15 (105 kPa)
  25 (175 kPa)
  20 (140 kPa)

Question 40 of 50

Elevation pressure loss for a hoseline discharging 80 feet (24 m) above the pump is _____ psi.
  20 (140 kPa)
  40 (275 kPa)
  30 (200 kPa)
  35 (240 kPa)

Question 41 of 50

What does a flowmeter indicate?
  Pressure at the pump discharge
  Pressure at the nozzle
  Friction loss between the discharge and 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 throttle until discharge volume no longer increases
  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

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?
  Multiply the flow in gpm by .10
  Divide the flow in gpm by 100, and square it
  Find the square root of the flow in gpm
  Subtract 10 from the first two digits of the flow in gpm

Question 44 of 50

With a positive displacement pump, the amount of fluid pumped __________.
  Increases or decreased with demand
  Varies at a fixed pump speed
  Is constant at a given pump speed
  Is not related to pump speed

Question 45 of 50

Which pump type is non-positive displacement?
  Rotary gear
  Rotary vane

Question 46 of 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
  Intake pressure directly affects discharge pressure
  It can draft from greater heights than other pump types
  Suction and discharges hoses can be interchanged without affecting operation

Question 47 of 50

How does a multistage centrifugal pump differ from a single-stage centrifugal pump?
  In the maximum capacity
  In the number of impellers
  In the number of pump housings
  In the use of double suction impellers

Question 48 of 50

PTO's used on apparatus with automatic transmissions are driven by __________.
  A fluid coupling
  The flywheel
  The drive shaft
  Hydraulic fluid pressure

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.
  450 (1700 L/min)
  350 (1300 L/min)
  250 (1000 L/min)
  300 (1100 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).