Air Brakes Cdl *** Word Scramble

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Question	Answer
Air loss in a straight truck or bus should not be more than ____ with the engine off and the brakes on.	3 psi in one minute
To make an emergency stop with air brakes, using the stab braking method, you should:	Brake as hard as you can, get off the brakes when the wheels lock, get back on the brakes when the wheels start rolling again.
You should know that your brakes are fading when:	You have to push harder on the brake pedal to control your speed on a downgrade.
To check the free play of manual slack adjusters on s-cam brakes you should:	Park on level ground, chock the wheels, and release the parking brakes.
If the air compressor should develop a leak, what keeps the air in the tanks?	The one way check valve
Modern air brake systems combines three different systems. The are the service brakes, the parking brakes and the:	Emergency brakes.
Oil and water usually collect in compressed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks?	After every working day.
Why drain water from the compressed air tanks?	Water can freeze in cold weather and cause brake failure.
Air brake equipped vehicles must have:	A supply pressure gauge.
What can legally hold a parking or emergency brake in position for a truck, truck tractor or bus?	Spring pressure
When driving down a long steep hill you should:	Release the brake when you are 5 M.P.H. below your safe speed.
The brake system that applies and releases the brakes when the driver uses the brake pedal is the:	Service brake system.
The most common type of foundation brakes found on heavy vehicles is the:	S-cam drum
Vehicles with air brakes must have:	An air pressure gauge to show the pressure available for braking.
The driver must be able to see a warning that is given before air pressure in the service air tanks falls below:	60 psi
Which of the following makes the total stopping distance for air brakes longer than that for hydraulic brakes.	Brake lag distance.
The braking power of the spring brakes:	Depends on the adjustment of the service brakes.
The air compressor governor controls:	When air is pumped into the air tanks.
The application pressure gauge shows the driver how much pressure:	Is being applied to the brakes.
If your vehicle has an alcohol evaporator, every day during cold weather you should:	Check and fill the alcohol level.
During normal driving, spring brakes are usually held back by:	Air pressure
Air braking takes more time than hydraulic braking because air brakes:	Need to have airflow through the lines to work.
In air brake vehicles, the parking brakes should be used:	Whenever the vehicle is parked.
The brake pedal in an air brake system:	Controls the air pressure applied to put on the brakes.
If your truck or bus has dual parking control valves it means that you can use pressure from a separate tank to:	Release the spring brakes to move a short distance.
A straight truck or bus air brake system should not leak at a rate of more than ____ PSI per minute with the engine off and the brakes released.	2
If your vehicle has an alcohol evaporator, it is there to:	Reduce the risk of ice in air brake valves in cold weather.
If you must make an emergency stop, you should brake so that you:	Stay in a straight line and can steer.
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?	Stop. Safely park, and continue only after the system is fixed.

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