Pumper Questions with Accurate
Answers
"C" in the formula FL = C Q2 L represents the: correct answer Hose diameter
coefficient.
A fire apparatus may have steering problems if the steering wheel can be rotated
(without moving the front tires) more than: correct answer 10 degrees
A fire apparatus should be started with all electrical switches in the OFF position
in order to: correct answer Start the engine without load.
A hose has a flow rate of 100 gpm with a friction loss of 18 psi. If the flow rate
increases to 400 gpm, then the friction loss will increase to: correct answer 288
psi
A major advantage of a large diameter hoses is their: correct answer Use as
supply lines
A major advantage of a positive displacement pump over a centrifugal pump is
that it can: correct answer Self-prime
A major advantage of a small diameter hoses is their: correct answer Ease of
relocation and movement.
A major advantage of CAFS over a foam induction system is that: correct answer
The CAFS has almost double the reach of a foam induction system.
,A major advantage of medium diameter hoses is their: correct answer Flexibility
of use as an attack, relay, or supply line.
A quantity of 16.66 pounds of water equals: correct answer 2.0 gallons
According to NFPA 1901, a discharge pressure relief valve must operate within:
correct answer 10 seconds after discharge pressure rises 30 psi above the set
level.
All of the following are important reasons for maintaining inspection
documentation on a fire apparatus EXCEPT: correct answer Verifying that you are
inspecting the correct apparatus.
All of the following are rescue tools EXCEPT:
- spreaders
- shears
- drills
- extension ram correct answer Drills
All of the following statements about driving a fire apparatus through areas of
resurrected horizontal and vertical clearances are true EXCEPT: correct answer
Use the appropriate turn signal.
All of the following statements about static water sources are true except: correct
answer The static water source that is closer to the incident should always be
used first.
, Allowing the fire apparatus engine to idle over an extended period of time can
lead to all of the following EXCEPT: correct answer Engine fatigue
An important consideration when determining the position of a fire apparatus is
the: correct answer Method of attack.
An important feature of most screw-on intake pressure relief valves is that they:
correct answer Have bleeder valves to vent air when a connected line is being
charged.
As salt water or water containing certain chemicals can corrode the apparatus
pump, you should: correct answer Flush the pump with fresh water after using it.
Before driving over a guarded railroad crossing during an emergency response:
correct answer Look both right and left and proceed cautiously.
Before you drive your fire apparatus across a bridge, you should: correct answer
Compare the weight of the fire apparatus to the Bridge's capacity.
Bouncing water off the inside walls of the nozzle bore to create a fog pattern is
called: correct answer Periphery deflection
Calculate the gpm flowing from a 1 3/4-inch solid master stream operating at a
nozzle pressure of 80 psi. correct answer 813 gpm
Answers
"C" in the formula FL = C Q2 L represents the: correct answer Hose diameter
coefficient.
A fire apparatus may have steering problems if the steering wheel can be rotated
(without moving the front tires) more than: correct answer 10 degrees
A fire apparatus should be started with all electrical switches in the OFF position
in order to: correct answer Start the engine without load.
A hose has a flow rate of 100 gpm with a friction loss of 18 psi. If the flow rate
increases to 400 gpm, then the friction loss will increase to: correct answer 288
psi
A major advantage of a large diameter hoses is their: correct answer Use as
supply lines
A major advantage of a positive displacement pump over a centrifugal pump is
that it can: correct answer Self-prime
A major advantage of a small diameter hoses is their: correct answer Ease of
relocation and movement.
A major advantage of CAFS over a foam induction system is that: correct answer
The CAFS has almost double the reach of a foam induction system.
,A major advantage of medium diameter hoses is their: correct answer Flexibility
of use as an attack, relay, or supply line.
A quantity of 16.66 pounds of water equals: correct answer 2.0 gallons
According to NFPA 1901, a discharge pressure relief valve must operate within:
correct answer 10 seconds after discharge pressure rises 30 psi above the set
level.
All of the following are important reasons for maintaining inspection
documentation on a fire apparatus EXCEPT: correct answer Verifying that you are
inspecting the correct apparatus.
All of the following are rescue tools EXCEPT:
- spreaders
- shears
- drills
- extension ram correct answer Drills
All of the following statements about driving a fire apparatus through areas of
resurrected horizontal and vertical clearances are true EXCEPT: correct answer
Use the appropriate turn signal.
All of the following statements about static water sources are true except: correct
answer The static water source that is closer to the incident should always be
used first.
, Allowing the fire apparatus engine to idle over an extended period of time can
lead to all of the following EXCEPT: correct answer Engine fatigue
An important consideration when determining the position of a fire apparatus is
the: correct answer Method of attack.
An important feature of most screw-on intake pressure relief valves is that they:
correct answer Have bleeder valves to vent air when a connected line is being
charged.
As salt water or water containing certain chemicals can corrode the apparatus
pump, you should: correct answer Flush the pump with fresh water after using it.
Before driving over a guarded railroad crossing during an emergency response:
correct answer Look both right and left and proceed cautiously.
Before you drive your fire apparatus across a bridge, you should: correct answer
Compare the weight of the fire apparatus to the Bridge's capacity.
Bouncing water off the inside walls of the nozzle bore to create a fog pattern is
called: correct answer Periphery deflection
Calculate the gpm flowing from a 1 3/4-inch solid master stream operating at a
nozzle pressure of 80 psi. correct answer 813 gpm
