FAA Aviation Mechanic - Powerplant (AMP) Practice Questions - FAA Aviation Mechanic - Powerplant Knowledge Test (AMP) Exam

The compression ratio of a reciprocating engine is defined as the ratio of:

Cylinder bore to piston stroke Power output to fuel consumed Intake manifold pressure to atmospheric pressure Cylinder volume at bottom dead center to cylinder volume at top dead center

Correct Answer:

Cylinder volume at bottom dead center to cylinder volume at top dead center

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