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2024 TEXAS CDL AIR BRAKES UPDATED&VERIFIED 100% SOLVED GUARANTEED SUCCESS Air brake systems combine what three different systems? - ANS-Service brakes, parking brakes and emergency brakes. When should you drain the air tanks? - ANS-After every working day. Why drain water from the compressed air tanks? - ANSWater can freeze in cold weather and cause brake failure. Air brake equipped vehicles must have: - ANS-A supply pressure gauge and warning signal when psi drops below 60. What can ...

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CDL - Combination Vehicle Practice Test Complete Questions And Answers A tractor with a(n) ________ trailer requires the shortest amount of stopping distance . 1. empty 2. fully loaded 3. lightly loaded fully loaded The air leakage rate for a combination vehicle ( engine off, brakes on) should not be more than _____ psi per minute . 1. 4 2. 6 3. 2 4 If you do not do the final air brake check for air leaks and fix them before driving, 1. you could lose your brakes while driving...

CDL Air Brake Practice Test Questions with Verified Answers The parking or emergency brake on a heavy vehicle can only be held in position by something that cannot leak away, like: a. Fluid pressure b. Spring pressure c. Air pressure d. Any of the above b. Spring pressure 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 brake released. a. 1 b. 2 c. 3 d. 4 c. 3 Your vehicle has dual air brake ...

CDL AIR BRAKES QUESTIONS AND ANSWERS ALREADY PASSED When your vehicle is empty, start braking: Sooner than when loaded Modern air brake systems combine three different systems. They are the service brakes, the parking brakes and the : Emergency brake What does the air compressor governor do? It controls when air is pumped into the air tanks Oil and water that collects in air tanks can make brakes fail. If you do not have automatic tank drains, when should you drain the air tanks? ...