AFCT Auto and Shop Information 3

Question 1

What component converts the up-and-down motion of pistons into rotational motion?

Accepted Answer

Crankshaft

Answer

Camshaft

Answer

Flywheel

Answer

Connecting rod

Question 2

What is the purpose of applying flux before soldering?

Accepted Answer

To clean the joint and prevent oxidation

Answer

To increase the melting point of solder

Answer

To make the solder stronger

Answer

To insulate the connection

Question 3

In a four-stroke engine, what happens during the compression stroke?

Accepted Answer

The piston moves up and compresses the air-fuel mixture

Answer

The air-fuel mixture is ignited

Answer

Exhaust gases are expelled

Answer

Fresh air-fuel mixture enters the cylinder

Question 4

What tool is used to cut threads on the outside of a cylindrical rod?

Accepted Answer

Die

Answer

Tap

Answer

Reamer

Answer

Broach

Question 5

What does a vehicle's differential allow the wheels to do?

Accepted Answer

Rotate at different speeds during turns

Answer

Stop at different rates

Answer

Shift between gears

Answer

Absorb road shocks

Question 6

What is the primary purpose of a vehicle's catalytic converter?

Accepted Answer

To reduce harmful exhaust emissions

Answer

To muffle engine noise

Answer

To improve fuel economy

Answer

To increase engine power