Air Brake System Quiz

What do air brakes use to apply force to the brake shoes?

• Manual force

• Electricity

• Hydraulic fluid

• Compressed air

What should you do before disassembling the air brake system?

• Increase air pressure

• Drain air pressure

• Remove the wheels

• Start the engine

What is the purpose of the brake drum?

• To cool the brakes

• To generate electricity

• To hold brake fluid

• To rotate with the wheel

What should you listen for to detect air leaks?

• Rattling noises

• Hissing sounds

• Whistling tunes

• Loud bangs

What is the function of the slack adjuster?

• To cool the brake shoes

• To increase air pressure

• To lubricate the brake drum

• To control the distance the S-cam moves

What should you wear for safety during maintenance?

• A raincoat and boots

• Safety glasses, gloves, and hearing protection

• A helmet and knee pads

• A reflective vest and hard hat

What should you do if you find cracks in the air lines?

• Paint over them

• Ignore them

• Tape them up

• Replace the air lines

What should you do after reassembling the brake system?

• Remove the brake shoes

• Leave the vehicle parked

• Increase the air pressure

• Perform a brake test