FINAL PM

A diesel engine is an example of a ______________ engine.

• B) combustion ignition

• C) compression ignition

• Spark ignition

As pressure rises in the cylinder, ______ also rises.

• A) vacuum

• B) temperature

• C) Both A and B

Twisting force is known as:

• B) energy.

• C) thrust.

• D) torque.

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

• A) vacuum.

• B) volumetric efficiency.

• C) compression.

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

• A) bottom dead center.

• B) top dead center.

• C) short block.

The component that stores kinetic energy from each power stroke and helps keep the crankshaft turning through non power strokes is the:

• A) flywheel.

• B) harmonic balancer.

• C) distributor.

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

• B) duration.

• C) overlap.

• D) burn time.

Lubricating oil that is used in engines is made by refining:

• A) ground oil.

• B) mineral oil.

• C) crude oil.

The main function of motor oil is to reduce ________ between moving parts of the engine.

• A) friction

• B) movement

• C) viscosity

The oil additive that keeps oil from gelling under cold temperatures is called a(n):

• A) antifoaming agent.

• B) pour point depressant.

• C) dispersant.