Brakes Midterm Fall 2024

Front

What type of valve removes water and oil that may contaminate supply system air?

Back

Drain valve

Front

Primary brake circuits are commonly color coded as what color air lines?

Back

green

Front

What controls air system pressure by stopping and starting compressor loading?

Back

governor

Front

The friction generated between the moving surfaces slows down the rotation of the wheel, causing what?

Back

Heat

Front

What color is the octagonal-shaped trailer supply valve used to control the tractor protection system?

Back

red

Front

What are brake drums made of?

Back

Cast Iron

Front

Heavily grooved or warped drums should be turned or replaced.

Back

Replaced

Front

Which of the following are the air couplers attached to the trailer hoses connecting the tractor and trailer air systems? glad hands, circuits, boosters, governors

Back

glad hands

Front

What is the function of the air dryer in the air brake system?

Back

To remove moisture and contaminants from the air

Front

Do all return springs have the same amount of strength?

Back

False