Automotive Engineering Quiz

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

• torque

• consumption

• power

• combustion

A normally aspirated automobile engine loses about _______ power per 1000 feet of altitude.

• 6%

• 3%

• 5%

• 1%

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

• 180°

• 90°

• 360°

• 720°

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

• One-half

• One-fourth

• One

• Two

A rotating force is called _______.

• torque

• combustion pressure

• horsepower

• eccentric movement

Technician A says that the 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

• Neither technician

Which component listed below does NOT form part of the combustion chamber?

• Cylinder head

• Piston

• Valve

• Connecting rod

How many degrees of CAMSHAFT rotation are needed to complete the four stroke combustion cycle?

• 360

• 90

• 180

• 720

Which component is NOT needed in a typical overhead cam engine?

• Rocker arm

• Push rod

• Camshaft

• Valve spring

All overhead valve engines _______.

• operate by the two-stroke cycle

• use the camshaft to close the valves

• use an overhead camshaft

• have the valves located in the cylinder head