When an altitude compensator is used on the governor of a hydromechanical port-helix metering injection pump, what does it do?
A) provides excess fuel at high altitudes
B) limits fueling (derates) at high altitudes
C) uprates engine power on hills
D) compensates for high oxygen density

Question

Quizplus · Accepted Answer

An altitude compensator on the governor of a hydromechanical port-helix metering injection pump limits fueling (derates) at high altitudes to prevent the engine from receiving too much fuel in relation to the thinner air, which could lead to inefficient combustion and potential engine damage.

When an Altitude Compensator Is Used on the Governor of a Hydromechanical