The main reservoir gauge reads?

On a long steep downgrade, the ideal method of using the brakes is?

If a small leak develops in a brake chamber, what type of valve will continue to hold the same application pressure in the brake chamber?

If one set of brake shoes are poorly adjusted, what effect could it have on the remaining set of brake shoes in the system?

The final decision as to the condition of the brakes should be made by?

If the compressor discharge line is broken, what prevents total air loss?

When air pressure in the reservoir is at maximum, the compressor is?

If 40 psi is exerted against a diaphragm of 30 square inches in area, what is the total force that would be exerted?

What is the main cause of brake fade at high temperatures?

To stop a vehicle, the energy of motion is turned into?

Signs posted in advance to a downgrade, instructing truck drivers to stop and check brakes are?

What is meant by the term braking distance?

What causes moisture to form in the air brake system?

By what minimum pressure should the governor cause the compressor to return to its pumping stage?

How is the heat dissipated that is generated by the brakes?

If the weight of a vehicle is doubled, how many times must the stopping power be increased to stop in the same distance?

What is the most common cause of loss of braking effort on air brake equipped vehicles?

How are most modern truck and RV compressors lubricated?

What is the final factor that will determine if a vehicle will move?

If the brakes do not seem to be holding even though sufficient air pressure is present, you should?

How often should the reservoirs be drained?

What is the advantage of a dual circuit air system?

Maximum reservoir pressure must be between what two pressures?

What must a driver do when a low air warning system activates?

The size of the compressor used in an air brake system must be such that it will build air pressure from 50 psi to 90 psi at a fast idle within?