Air Brake Test Basic 2

Question 1

In an air brake system, what component stores the compressed air for use by the brakes?

Accepted Answer

Air reservoir tanks

Answer

The governor

Answer

The slack adjuster

Answer

The brake chamber

Question 2

What does the air compressor governor control?

Accepted Answer

When the compressor pumps air into the reservoirs

Answer

The speed of the truck

Answer

The brake pedal pressure

Answer

The parking brake force

Question 3

At what pressure does the low air pressure warning typically activate?

Accepted Answer

Below 60 psi

Answer

Below 100 psi

Answer

Below 120 psi

Answer

Below 150 psi

Question 4

What is the purpose of draining the air tanks daily?

Accepted Answer

To remove water and oil that collect in the tanks

Answer

To increase air pressure

Answer

To clean the brake pads

Answer

To test the warning light

Question 5

What device automatically expels moisture and removes oil from the air system?

Accepted Answer

Air dryer

Answer

Slack adjuster

Answer

Foot valve

Answer

Relay valve

Question 6

Normal operating air pressure for a heavy vehicle is generally in what range?

Accepted Answer

100 to 125 psi

Answer

40 to 60 psi

Answer

150 to 200 psi

Answer

20 to 40 psi

Question 7

What component converts air pressure into mechanical force to apply the brakes?

Accepted Answer

Brake chamber

Answer

Air compressor

Answer

Governor

Answer

Air reservoir