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Air Brakes Quiz

If your truck or bus has dual parking control valves, you can use pressure from a separate tank to:(Required)
The most common type of foundation brake found on heavy vehicles is the:(Required)
Excessive use of the service brakes results in overhearing which can lead to:(Required)
During normal driving, spring brakes are usually held back by:(Required)
If you must make an emergency stop, you should brake so you:(Required)
Why drain water from compressed air tanks?(Required)
The air compressor stops pumping air at what psi?(Required)
The driver must be able to see a low air pressure warning which comes on before pressure in the service air tanks falls below _________ psi.(Required)
The driver must be able to see a low air pressure warning which comes on before pressure in the service air tanks falls below _________ psi.(Required)
Parking or emergency brakes of trucks and buses can be legally held on by __________ pressure.(Required)
The application pressure gauge shows how much air pressure you:(Required)
If your vehicle has an alcohol evaporator, every day during cold weather you should:(Required)
Your truck or bus has a dual brake system. If a low air pressure warning comes on for only one system, what should you do?(Required)
The spring brakes used on the chambers in a straight truck will bring you to a stop when air pressure drops below _______ psi.(Required)
The braking power of the spring brakes:(Required)
The safety valve is set automatically when pressure is:(Required)
Some air brake systems have an alcohol evaporator. What may happen if you don't keep the proper level of an alcohol?(Required)
Your truck or bus has a dual air brake system. If a low air pressure warning comes on for only one system, what should you do?(Required)
The air loss rate for a straight truck or bus with the engine off and the brakes on should not be more than:(Required)
A straight truck or bus air brake system should not leak at the rate of more than ___________ psi per minute with the engine off and the brakes released.(Required)
How should you check that your service brakes are working properly?(Required)
If your truck has a properly functioning dual air brake system and minimum size air tanks, the air pressure should build up from 85 to 100 psi witihin how many seconds?(Required)
Your truck has a dual air system and one of the system loses its pressure. What will happen?(Required)

Name(Required)