FAE (Fire Apparatus Engineer) Illinois questions with
verified answers
What is the primary use of positive displacement pumps on fire
apparatus? ......ANSWER........Priming Device
The five main parts of a centrifugal pump are what?
......ANSWER........Eye, Impeller, Shroud, Vanes, Discharge
Manifold
What is the minimum size of pump for apparatus per NFPA
1901? ......ANSWER........750 gum
What is the minimum size of water tank for apparatus per NFPA
1901? ......ANSWER........300 gallon
,age 2 of 20
What does the transfer valve do on a two-stage pump?
......ANSWER........Changes mode of operation between volume
and pressure
What are the 3 types of primers? ......ANSWER........Exhaust,
Positive Displacement Pump, Air primer
What are the performance standards for a primer?
......ANSWER........Less than 1500 gpm = 30 seconds to develop
vacuum
greater than 1500 gpm =45 seconds to develop vac
What is cavitation? ......ANSWER........When pump is attempting
to draw more water than available.
What is the main sign of cavitation? ......ANSWER........Sounds like
gravel going through the pump.
, age 3 of 20
What conditions cause cavitation? ......ANSWER........Booster tank
emptying, reduced intake flow, high water temp, lift is too high,
air leaking causing loss of prime.
What are the performance requirements for a fire pump?
......ANSWER........100% capacity 150lbs of net engine pressure.
70% capacity 200lbs of net engine pressure.
50% capacity 250lbs of net engine pressure.
List the sizes of water tanks and their respective rates of flow
requirements (GPM) ......ANSWER........Less than 500 gal has to
have min of 250 gpm for 80% of tank capacity.
500+ gal has to have min of 500 gpm for 80% of tank
capacity.