Powerplant - AM.III.I.K13 - Fuel pumps Flashcards
1
Q
What kind of fuel boost pumps are normally installed inside the fuel tanks?
A
Centrifugal pumps
2
Q
what are three functions of the boost pump in the tank of a jet transport aircraft?
A
- pressurise the fuel in the line between the tank and EDP
- transfer fuel from one tank to another to balance fuel load
- to pump fuel from the tank into the dump chute when fuel is being dumped
3
Q
What is meant by a compensated fuel pump?
A
it is a fuel pump that senses the ambient air pressure and maintains the fuel pressure a specific amount above this air pressure
4
Q
what are the two types or categories of engine driven fuel pumps?
A
- non constant displacement
- non positive displacement
