Powerplant - Engine Fuel Systems

Question 1

What is the purpose of strainers in a fuel system?

Answer 1

To prevent foreign matter from entering the carburetor

Question 2

What is the purpose of fuel selector valves?

Answer 2

Shutting off fuel flow, tank and engine selection, for crossfeed and fuel transfer

Question 3

What should be looked for when inspecting an engine driven fuel pump?

Answer 3

look for fuel leaks and security of mounting

Question 4

What is the purpose of an engine driven fuel pump?

Answer 4

to deliver a continuous supply of fuel at the proper pressure at all times during engine operation

Question 5

What is the most common type of fuel boost pump?

Answer 5

Electrically driven centrifugal type pump

Question 6

What are the three general cause of vapor lock?

Answer 6

Low fuel pressure, high fuel temperatures and excessive fuel turbulence

Question 7

Turbine engine fuel pumps may be divided into what two distinct system categories?

Answer 7

Constant and variable displacement

Question 8

What part of a gas turbine fuel system is very susceptible to the formation of ice?

Answer 8

fuel filter

Question 9

How is the engine fuel system protected from ice formation?

Answer 9

The use of fuel heaters

Question 10

Why is a micron fuel filter provided with a bypass valve as a necessary safety factor?

Answer 10

The small openings in this type of filter make it susceptible to clogging