Chapter 18

Torque is expressed in units of ________.

• pound-feet

• foot-pounds

• foot-pounds per minute

• pound-feet per second

Horsepower is expressed in units of ________.

• pound-feet

• foot-pounds

• foot-pounds per minute

• pound-feet per second

A rotating force is called ________.

• horsepower

• torque

• combustion pressure

• eccentric movement

The chemical energy in fuel is converted to heat by the burning of the fuel at a controlled rate. This process is called _______________.

• combustion

• consumption

• power

• torque

Technician A says that a crankshaft determines the stroke of an engine. Technician B says that the length of the connecting rod determines the stroke of an engine. Which technician is correct?

• Technician A only

• Technician B only

• Both Technicians A and B

• Neither Technician A nor B

A normally aspirated automobile engine loses about _______ power per 1,000 feet of altitude.

• 1%

• 3%

• 5%

• 6%

An SOHC V‑8 engine has how many camshafts?

• One

• Two

• Three

• Four

How many rotations of the crankshaft are required to complete each stroke of a four-stroke cycle engine?

• One-fourth

• One-half

• One

• Two

One cylinder of an automotive four-stroke cycle engine completes a cycle every ________.

• 90°

• 180°

• 360°

• 720°

The coolant flow through the radiator is controlled by the _______________.

• Size of the passages in the block

• Thermostat

• Cooling fan(s)

• Water pump