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Worksheets6320 Eng Start, Control and Fuel Systems Revision 1
Total questions: 10
Worksheet time: 6mins
Name the pump:
Used to feed the engines. Used to keep pressure in the fuel lines above atmospheric pressure. Prevents airlocks from forming and ensuring a steady supply of fuel is available.
Jet Pump
Booster Pump
Scavenge Pump
Jettison Pump
With reference to a float switch assembly fitted into an aircraft fuel tank:
At what percentage level will fuel transfer automatically start?
100%
17%
85%
80%
Select one or more of the statements below which meet the requirements of an aircraft fuel system
To meet operational requirement, it is necessary to be able to increase the range or endurance of an aircraft
To optimise use of fuselage space to carry sufficient quantity of fuel for the aircraft role.
Control is maintained by sensors within the system sensing changes in fuel usage and operating valves
To deliver fuel to the engine(s) or APU at the required flow rates and pressure under all conditions of flight
What is the purpose of a compensator unit fitted to the secondary probe
Compensate for changes of depth of the fuel
Compensate for changes temerature of the fuel
Compensate for changes of Specific Gravity (density) of the fuel
Compensate for changes in frequency of the fuel
Which of the following sensors is used to measure fuel in a fuel contents gauging system. Select one or more correct answer
Ultrasonic Sensors
Pressure Sensor
Tank Unit/Probe
Temperature sensor
Which of the following general safety precautionsare to be observed when any maintenance activity is being carried out on an aircraft fuel system.
Select one or more correct answers
The container, into which fuel must be drained, must be of plastic construction and non conductive
The “TWO-MAN” rule is to be observed
Any light source can be used inside fuel tanks
Deal with any spillages immediately using readily available spill kits
FUEL IS MEASURED IN KG's SO THAT
A pilot can work out the cost
It is easy to jettison
All up weight can be calculated
Make indication easy to process
Lifting the guard of the MASTER JETTISON SWITCH and selecting it to open will cause?
The jettison pump relays to be energised
The jettison valve to shut
The yellow "open" caption to illuminate
The jettison valve to open
Which of the following occasions would a pilot consider using the crossfeed system.
Select one or more correct answers
Fuel is to be used from another tank
Loadlifting
Engine failure
When fuel has to be jettisoned
The FEIU processes fuel quantity signals and feeds the information to:-
The Fuel Probes
The TSU's
The cockpit display system
The engines
