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WorksheetsAMTP 314
Total questions: 15
Worksheet time: 8mins
Relating to a branch of mechanics that deals with the equilibrium and motion of fluids and of solid bodies immersed in them
Hydromechanical
Aerodynamics
Physics
Chemistry
Usually transmitted via a mechanical driveshaft from the main fuel pump.
Throttle demand signal
Speed feedback signal
Temperature signal
Pressure signal
Usually a mechanical deflection of a small power lever at the FCU.
Throttle demand signal
Speed feedback signal
Temperature signal
Pressure signal
FCU receives_____ like CDP or Ambient Pressure via air sense lines.
Pressure signals
Temperature signals
Speed feedback signals
Throttle demand signals
Identify # 1 in the hydromechanical use of FCU.
Hydraulic signal
Pneumatic signal
Mechanical signal
Identify # 2 in the hydromechanical use of FCU.
Hydraulic signal
Pneumatic signal
Mechanical signal
Identify # 3 in the hydromechanical use of FCU.
Mechanical signal
Hydraulic signal
Pneumatic signal
An engine control in the cockpit, that provides a throttle demand signal to the engine.
Throttle Control
Mixture Control
Thrust lever
Propeller Pitch Control
Makes sure that the necessary fuel gets to the fuel nozzles. All the fuel that is not needed for combustion returns to the fuel pump.
Fuel Metering Section
Governing Section
Limiting Section
Monitors the governing section, makes sure that the engine always operates within safe limits.
Monitoring Section
Fuel Metering
Power Control
Engine protection
The three main components of FCU are:
Fuel Metering Valve, Bypass valve, and HP shut off valve
Fuel Metering Valve, Bypass valve, and LP shut off valve
HP shut off valve and LP shut off valve
Fuel metering valve, bypass valve, and shut off valve
Controls the fuel flow to the combustion chamber.
It is activated by an actuator that receives the opening pressure from the limiting section.
Bypass Valve
Fuel Metering Valve
HP Shutoff Valve
HP Fuel pump
Returns all the fuel that is not needed for combustion back to the fuel pump. Also has a second function. It controls a constant pressure difference across the fuel metering valve.
HP Shutoff Valve
Fuel Metering Valve
Bypass Valve
HP Fuel pump
Is used to supply or cut-off the fuel to the combustion chamber.
HP Shutoff Valve
Fuel Metering Valve
Bypass Valve
LP Shutoff Valve
The main component of governing section of FCU,
which is rotated by the mechanical drive from the accessory gearbox.
N2 Governor
Power Lever
Servo Fuel
Fuel Nozzle
