B-747 HYDRAULICS EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED
Which hydraulic system(s) power the stab trim?
Hydraulic system 2 and 3
Where are the hydraulic fluid heat exchangers located?
Main fuel tanks
3. The auxiliary electric pump continues to run in the AUX position when the No.4
engine-driven pump pressurizes the system.
a.) True
b.) False
False (the AUX pump stops)
The source of electrical power for the System 4 AUX hydraulic pump is the
______ Bus.
Ground Handling
The engine-driven hydraulic pumps can be depressurized by turning off the
______ switch or by ______ handle.
ENGINE pump, the engine fire shutoff
The hydraulic SYS FAULT light comes on for ______ temperature, ______
quantity, ______ pressure.
High, Low, Low
WITH COMPLETE SOLUTIONS VERIFIED
Which hydraulic system(s) power the stab trim?
Hydraulic system 2 and 3
Where are the hydraulic fluid heat exchangers located?
Main fuel tanks
3. The auxiliary electric pump continues to run in the AUX position when the No.4
engine-driven pump pressurizes the system.
a.) True
b.) False
False (the AUX pump stops)
The source of electrical power for the System 4 AUX hydraulic pump is the
______ Bus.
Ground Handling
The engine-driven hydraulic pumps can be depressurized by turning off the
______ switch or by ______ handle.
ENGINE pump, the engine fire shutoff
The hydraulic SYS FAULT light comes on for ______ temperature, ______
quantity, ______ pressure.
High, Low, Low
