CAA NZ AME Piston Engines Practice Questions - CAA NZ AME Licence Exam - Piston Engines (Subject 5, New Zealand) Exam

What is the primary structural function of the crankcase in an opposed aircraft piston engine?

To house the spark plugs and direct combustion pressure To provide a rigid enclosure that supports the crankshaft bearings, cylinders, and accessory drives To act as the primary heat sink for exhaust gases To meter fuel flow directly into the cylinder induction ports

Correct Answer:

To provide a rigid enclosure that supports the crankshaft bearings, cylinders, and accessory drives

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