Engines 1 Practice Finals

Front

A(n) _____ is a device that changes the chemical energy in fuel to mechanical energy.

Back

engine

Front

The _____ is a lobed shaft that is used to open and close the valves.

Back

camshaft

Front

The _____ seals the combustion chamber.

Back

cylinder head

Front

Engines are either air cooled or liquid cooled

Back

True

Front

What is the first stroke in the 4 stroke (Otto) cycle?

Back

intake

Front

What is the second stroke in the 4 stroke (Otto) cycle?

Back

compression

Front

What is the third stroke in the 4 stroke (Otto) cycle?

Back

power

Front

What is the fourth stroke in the 4 stroke (Otto) cycle?

Back

exhaust

Front

Engine bore refers to:

Back

The diameter of a cylinder

Front

Volumetric efficiency is the ability of an engine to: Pull in and push out air

Back

Pull in and push out air