How can the driver tell how much air pressure there is in the main reservoirs?
What must the driver do when a low pressure warning system activates?
What is the purpose of a quick release valve?
What is the purpose of a relay valve?
What is the purpose of using a larger diameter pipe between the main reservoir tank and the relay valve?
If the front axle limiting valve is in the ‘slippery road’ position, and the foot valve is depressed to make a brake application of 30 P.S.I., how much pressure will be applied in the front brake chambers?
How is the reservoir protected from over pressurization?
What stops pressurized air from flowing back into the compressor from the dry tank?
At what pressure will the low pressure warning device activate?
How is ‘brake lag’ to the rear wheels minimized?
When should a driver use the front wheel limiting valve?
What is meant by ‘compounding’ the brakes?
Why are spring brakes a reliable type of parking brake?
How are parking brakes held in the released position?
What are the functions of the cab-mounted parking brake control valve?
Will parking brakes apply ‘automatically’ in all braking systems?
What is the reason for releasing the parking brakes before making a full brake application test?
What is the purpose of an emergency release reservoir tank in a parking brake system?
How can some types of parking brakes be released without the use of air pressure?
What is the danger of disassembling a parking brake unit?
