An engine is a device that changes _________ energy in fuel to __________ energy.

• mechanical, chemical

• chemical, mechanical

• kinetic, chemical

• chemical, kinetic

The bore in which a piston operates is the ________.

• Block

• Head

• Cylinder

• Valve train

The engine part that slides back in forth in a cylinder is the _____________.

• Valve

• Piston

• Crankshaft

• Camshaft

This links the piston to the crankshaft.

• Connecting rod

• Camshaft

• Valve stem

• Piston rings

Converts reciprocating motion into rotating motion.

• Camshaft

• Piston

• Crankshaft

• Connecting rod

Which is the correct order of events in an engine?

• Intake, Power, Compression, Exhaust

• Intake, Power, Exhaust, Compression

• Intake, Compression, Power, Exhaust

• Intake, Exhaust, Power, Compression

In which event is a mixture of fuel and air drawn into the cylinder?

• Intake

• Compression

• Power

• Exhaust

In which event is the air/fuel mixture compressed into a space and ignited by a spark?

• Intake

• Compression

• Power

• Exhaust

In which event is the piston driven down by the expansion of the burning air/fuel mixture?

• Intake

• Compression

• Power

• Exhaust

In which event are the burn gases expelled from the cylinder?

• Intake

• Compression

• Power

• Exhaust