Page 1 of 75
Diver Op FAO test EXAM QUESTIONS AND
CORRECT DETAILED SOLUTIONS LATEST UPDATED
VERSION JUST RELEASED
Question: The __________ assists in both braking and saving the wear on the service brakes. -
CORRECT ANSWER✔✔retarder
Question: The first step when performing the skill of start, idle and shut down a fire
apparatus is to: - CORRECT ANSWER✔✔make sure all external electrical cords are disconnected.
Question: __________ should be checked by a mechanic on a periodic basis. - CORRECT
ANSWER✔✔Differential fluid
Question: Which is a result of over-throttling? - CORRECT ANSWER✔✔Loss of power
Question: Improper tire pressures may cause - CORRECT ANSWER✔✔poor handling
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Question: The two categories that lighting equipment can be divided into are: - CORRECT
ANSWER✔✔portable and fixed.
Question: According to National Fire Protection Association __________, some fire
departments have a designated apparatus maintenance officer who
meets the requirements of an Emergency Vehicle Technician. - CORRECT ANSWER✔✔NFPA
1071
Question: Over-cleaning an apparatus can lead to: - CORRECT ANSWER✔✔removal of
lubrication from the chassis.
Question: In stabilizing a hot apparatus diesel engine's temperature, a cool down period
of __________ is recommended before shutting down. - CORRECT ANSWER✔✔3 to 5 minutes
Question: At what pressure will the audible alarm sound on the air brake system? - CORRECT
ANSWER✔✔60 psi
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Question: A fire apparatus should be dried - CORRECT ANSWER✔✔with a clean chamois.
Question: The walk-around method of apparatus inspection involves starting at the: - CORRECT
ANSWER✔✔driver's door.
Question: The apparatus inspection should begin by approaching the vehicle and looking
beneath the vehicle for spots that indicate: - CORRECT ANSWER✔✔leaking vehicle fluids.
Question: The left side of an apparatus is also known as the: - CORRECT ANSWER✔✔street
side.
Question: During a left- and right-rear side inspection, it is important to be sure that dual tires:
- CORRECT ANSWER✔✔do not come in contact with each other
Question: If the truck is parked and the speedometer is showing anything above 0, it is
possible that: - CORRECT ANSWER✔✔the gauge is defective.
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Question: Steering wheel play should be no more than approximately __________ degrees
in either direction. - CORRECT ANSWER✔✔10
Question: The air pressure on apparatus equipped with air brakes should build to a sufficient
level in order for the vehicle to operate within __________ seconds of starting. - CORRECT
ANSWER✔✔45
Question: Apparatus with air brakes should be equipped with an air pressure protection valve
which prevents the operation of air horns when the pressure in the air reservoir
drops below __________ psi (kPa). - CORRECT ANSWER✔✔80 psi (552 kPa)
Question: During a test of the parking brake, the apparatus should come to a complete stop
within about: - CORRECT ANSWER✔✔20 feet
Question: The oil pressure control device must operate within __________ after the discharge
Diver Op FAO test EXAM QUESTIONS AND
CORRECT DETAILED SOLUTIONS LATEST UPDATED
VERSION JUST RELEASED
Question: The __________ assists in both braking and saving the wear on the service brakes. -
CORRECT ANSWER✔✔retarder
Question: The first step when performing the skill of start, idle and shut down a fire
apparatus is to: - CORRECT ANSWER✔✔make sure all external electrical cords are disconnected.
Question: __________ should be checked by a mechanic on a periodic basis. - CORRECT
ANSWER✔✔Differential fluid
Question: Which is a result of over-throttling? - CORRECT ANSWER✔✔Loss of power
Question: Improper tire pressures may cause - CORRECT ANSWER✔✔poor handling
, Page 2 of 75
Question: The two categories that lighting equipment can be divided into are: - CORRECT
ANSWER✔✔portable and fixed.
Question: According to National Fire Protection Association __________, some fire
departments have a designated apparatus maintenance officer who
meets the requirements of an Emergency Vehicle Technician. - CORRECT ANSWER✔✔NFPA
1071
Question: Over-cleaning an apparatus can lead to: - CORRECT ANSWER✔✔removal of
lubrication from the chassis.
Question: In stabilizing a hot apparatus diesel engine's temperature, a cool down period
of __________ is recommended before shutting down. - CORRECT ANSWER✔✔3 to 5 minutes
Question: At what pressure will the audible alarm sound on the air brake system? - CORRECT
ANSWER✔✔60 psi
, Page 3 of 75
Question: A fire apparatus should be dried - CORRECT ANSWER✔✔with a clean chamois.
Question: The walk-around method of apparatus inspection involves starting at the: - CORRECT
ANSWER✔✔driver's door.
Question: The apparatus inspection should begin by approaching the vehicle and looking
beneath the vehicle for spots that indicate: - CORRECT ANSWER✔✔leaking vehicle fluids.
Question: The left side of an apparatus is also known as the: - CORRECT ANSWER✔✔street
side.
Question: During a left- and right-rear side inspection, it is important to be sure that dual tires:
- CORRECT ANSWER✔✔do not come in contact with each other
Question: If the truck is parked and the speedometer is showing anything above 0, it is
possible that: - CORRECT ANSWER✔✔the gauge is defective.
, Page 4 of 75
Question: Steering wheel play should be no more than approximately __________ degrees
in either direction. - CORRECT ANSWER✔✔10
Question: The air pressure on apparatus equipped with air brakes should build to a sufficient
level in order for the vehicle to operate within __________ seconds of starting. - CORRECT
ANSWER✔✔45
Question: Apparatus with air brakes should be equipped with an air pressure protection valve
which prevents the operation of air horns when the pressure in the air reservoir
drops below __________ psi (kPa). - CORRECT ANSWER✔✔80 psi (552 kPa)
Question: During a test of the parking brake, the apparatus should come to a complete stop
within about: - CORRECT ANSWER✔✔20 feet
Question: The oil pressure control device must operate within __________ after the discharge
