CDL - AIR BRAKES EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
After every working day ANSWER: Oil and water usually collect in compresed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks? Why drain water from the compressed air tanks? ANSWER: Water can freeze in cold weather and cause brake failure. The air brake system for a straight truck or bus should not leak at a rate of more than __________ psi per minute with the engine off and the brakes released. ANSWER: 2 To make an emergency stop with air brakes, using the stab braking method, you should: ANSWER: Press on the brake pedal as hard as you can, release the brakes when the wheels locked, put on the brakes again when the wheels start rolling. You should know that your brakes are fading when:
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