Air Brakes Quiz 1

What kind of force must emergency brakes use?

• Electrical

• Mechanical

• Air pressure

• Heavy

Which of the following is not a part of an air brake system?

• A service brake system

• A parking brake system

• An axle brake system

• An emergency brake system

If the low pressure warning light comes on while you are driving:

• Braking will only occur if there is enough air in the tanks.

• You should continue driving, but turn the emergency flashers on to warn other motorists.

• You should continue to drive normally and check the brake system when it is convenient.

• You can brake 14 times before the air in the system runs out.

When you need to stop in an emergency, you should:

• Stop in a way that keeps your vehicle in a straight line.

• Lock the wheels and skid to a stop.

• Expect your vehicle to slow down more quickly than usual.

• Stop in a way that turns your vehicle.

Emergency brakes:

• Are not required on trucks.

• Are only required on trailers.

• Are optional.

• Are required on tractors.

Truck tractors with air brakes built on or after March 1, 1997 must have:

• A rear back-up camera.

• GPS.

• An Anti-Lock Braking System (ABS).

• Bluetooth.

Most heavy-duty vehicles use:

• Quadruple air brake systems.

• Triple air brake systems.

• Dual air brake systems.

• Single air brake systems.

If the spring brakes are on, you should:

• Be especially careful because the brakes may fail.

• Move the steering wheel.

• Press the accelerator.

• Not use the brake pedal.

If your tractor is equipped with ABS but your trailer is not, the ABS:

• Will not be effective.

• Will allow others to see when you brake.

• Will still improve your steering control.

• Will make jackknifing easier.

The ____ tells a driver how much pressure is in the air tanks.

• air pressure gauge
• Application pressure gauge

• Air compressor governor

• Drum brake