Question

1. what function does an engine starter perform?

a. cranks the engine
b. starts the engine
c. cools the engine

1. what function does the engine piston perform?

a. compresses the air/fuel mixture
b. ignites the air/fuel mixture
c. exhausts spent fuel

1. what function does the engine spark plug function?

a. operates the intake
b. ignites the air/fuel mixture
c. keeps oil in the crankcase

Explanation:

1. An engine starter's core role is to crank the engine to initiate the combustion cycle; the engine itself runs once cranked.
2. Engine pistons move upward to compress the air/fuel mixture in the cylinder before ignition.
3. Spark plugs produce an electric spark that ignites the compressed air/fuel mixture to power the engine.

Answer:

1. a. cranks the engine
2. a. compresses the air/fuel mixture
3. b. ignites the air/fuel mixture