AFCT Auto and Shop Information 2

Question 1

What is the primary function of a vehicle's alternator?

Accepted Answer

To charge the battery and power electrical systems

Answer

The alternator generates electricity to charge the battery and power electrical systems while the engine runs.

Question 2

What type of saw has fine teeth and is specifically designed for cutting metal?

Accepted Answer

Hacksaw

Answer

A hacksaw has a fine-toothed blade held in a C-shaped frame, designed for cutting metal and other hard materials.

Question 3

What does the cooling system thermostat in an engine do?

Accepted Answer

Regulates engine temperature by controlling coolant flow

Answer

The thermostat opens and closes based on engine temperature, controlling coolant flow to maintain optimal operating temperature.

Question 4

Which tool is used to measure the inside diameter of a cylinder?

Accepted Answer

Telescoping gauge

Answer

A telescoping gauge is inserted into a cylinder bore and expanded to contact the walls, then measured with a micrometer.

Question 5

What is the purpose of motor oil in an engine?

Accepted Answer

To lubricate, cool, clean, and seal engine components

Answer

Motor oil lubricates moving parts, cools components, cleans deposits, and helps seal piston rings against cylinder walls.

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