spark ignition engines

A diesel engine is an example of a ______________ engine.

• Spark ignition

• Combustion ignition

• Compression ignition

• None of the above

As pressure rises in the cylinder, ______ also rises.

• Vacuum

• Temperature

• Both A and B

• None of the above

The rate or speed at which work is performed is called:

• distance

• force

• power

• thrust

Twisting force is known as:

• horsepower

• energy

• thrust

• torque

The rate that air enters via intake and leaves via exhaust is known as:

• vacuum

• volumetric efficiency

• compression

• none of the above

When the piston is at the top of its travel farthest away from the crankshaft, its position is known as:

• bottom dead center

• top dead center

• short block

• none of the above

The component that is responsible for opening the valves at the right time is called the:

• Crankshaft

• Valve guide

• camshaft

• timing chain

The amount of time a valve stays open, measured in degrees of crankshaft rotation, is known as:

• dwell

• duration

• overlap

• burn time

When the piston moves from bottom dead center (BDC) to top dead center (TDC) or TDC to BDC, it is known as a:

• bore

• stroke

• cycle

• none of the above

Tech A says that spark ignition engines use glow plugs. Tech B says that compression ignition engines don't need spark plugs. Who is correct?

• A

• B

• C both

• D neither