Powerplant: Engine Fuel Systems Exam
Questions And Answers
Fuel crossfeed systems are used in aircraft to -
correct answer ✅maintain aircraft stability.
Boost pumps in a fuel system -
correct answer ✅provide a positive flow of fuel to the engine
pump.
Most large aircraft reciprocating engines are equipped with which
of the following types of engine-driven fuel pumps? -
correct answer ✅rotary-vane-type fuel pump.
Which statement is true regarding proper throttle rigging of an
airplane? -
correct answer ✅the throttle stop on the carburetor must be
contacted before the stop in the cockpit.
A fuel pressure relief valve is required on -
correct answer ✅engine-driven vane-type fuel pumps.
The purpose of the diaphragm in most vane-type fuel pumps is to -
correct answer ✅compensate fuel pressure to altitude changes.
, Powerplant: Engine Fuel Systems Exam
Questions And Answers
The fuel pump relief valve directs excess fuel to the -
correct answer ✅inlet side of the fuel pump.
A pilot reports that the fuel pressure fluctuates and exceeds the
upper limits whenever the throttle is advanced. The most likely
cause of the trouble is -
correct answer ✅a sticking fuel pump relief valve.
The primary condition that allows microorganisms to grow in the
fuel in aircraft fuel tanks is -
correct answer ✅the presence of water.
During what period does the fuel pump bypass valve open and
remain open? -
correct answer ✅when the boost pump pressure is greater than
fuel pump pressure.
The Federal Aviation Regulations require the fuel flow rate for
gravity systems (main and reserve) to be -
correct answer ✅150% of the takeoff fuel consumption of the
engine.
Questions And Answers
Fuel crossfeed systems are used in aircraft to -
correct answer ✅maintain aircraft stability.
Boost pumps in a fuel system -
correct answer ✅provide a positive flow of fuel to the engine
pump.
Most large aircraft reciprocating engines are equipped with which
of the following types of engine-driven fuel pumps? -
correct answer ✅rotary-vane-type fuel pump.
Which statement is true regarding proper throttle rigging of an
airplane? -
correct answer ✅the throttle stop on the carburetor must be
contacted before the stop in the cockpit.
A fuel pressure relief valve is required on -
correct answer ✅engine-driven vane-type fuel pumps.
The purpose of the diaphragm in most vane-type fuel pumps is to -
correct answer ✅compensate fuel pressure to altitude changes.
, Powerplant: Engine Fuel Systems Exam
Questions And Answers
The fuel pump relief valve directs excess fuel to the -
correct answer ✅inlet side of the fuel pump.
A pilot reports that the fuel pressure fluctuates and exceeds the
upper limits whenever the throttle is advanced. The most likely
cause of the trouble is -
correct answer ✅a sticking fuel pump relief valve.
The primary condition that allows microorganisms to grow in the
fuel in aircraft fuel tanks is -
correct answer ✅the presence of water.
During what period does the fuel pump bypass valve open and
remain open? -
correct answer ✅when the boost pump pressure is greater than
fuel pump pressure.
The Federal Aviation Regulations require the fuel flow rate for
gravity systems (main and reserve) to be -
correct answer ✅150% of the takeoff fuel consumption of the
engine.
