Engine Instrument Systems Flashcards
1
Q
What would likely cause the pointer of a magnetic drag tachometer to oscillate?
A
Either a dry cable connecting the indicator to the engine, or a kink in the cable housing
2
Q
What kind of tachometer is used on most small single-engine airplanes?
A
A magnetic drag tachometer that is similar to an automobile speedometer
3
Q
What kind of tachometer is used on most large multi-engine airplanes?
A
A three-phase electric tachometer
4
Q
What is measured to indicate the engine RPM with a three-phase AC electric tachometer?
A
The frequency of the AC that the tachometer generator produces
