When a hydromechanical governor throttle is snapped (to full fuel request) under no-load, engine rpm temporarily exceeds the high idle speed. What is the term used to describe this condition?
A) hunting
B) top end limit
C) deadband
D) overrun

Question

Quizplus · Accepted Answer

Overrun describes the condition where engine rpm temporarily exceeds the high idle speed when a hydromechanical governor throttle is snapped to full fuel request under no-load. This is because the governor has not yet adjusted to the sudden increase in fuel, leading to a temporary overshoot in rpm.

When a Hydromechanical Governor Throttle Is Snapped (To Full Fuel