Chapter 12 - Motive Power Theory - Part 1

The SI engine used in today’s vehicles operates on the ____ cycle principle.

• one-stroke

• two-stroke

• three-stroke

• four-stroke

The gasoline piston engine uses a ____ to convert the reciprocating motion of the pistons into rotary motion.

• wrist pin

• camshaft

• crankshaft

• torque converter

According to ____ law, when a gas is heated, it expands.

• Kirchhoff's

• Pascal's

• Newton's

• Charles's

Technician A says that piston engines are spark-ignition engines. Technician B says that that piston engines are either spark-ignition engines or compression-ignition engines. Who is correct?

• Technician A

• Technician B

• Both Technician A and Technician B

• Neither Technician A nor Technician B

As pressure rises in the cylinder, ____ also rises.

• vacuum

• temperature

• space

• volume

Effort to produce a push or pull action is called:

• energy.

• movement.

• force.

• work.

When force causes movement, ____ is done.

• power

• work

• force

• displacement

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 in time and distance at which a force is produced is known as:

• torque.

• horsepower.

• energy.

• momentum.