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CDL Air Brake Practice Test exam questions and answers.

CDL Air Brakes (Section 5) Questions and Answers 100% Pass What makes air brakes work? Compressed air. What are the three braking systems? Service brake, parking brake, emergency brake What does the service brake do? Applies and releases the brakes when you use the brake pedal during normal driving. What does the parking brake do? Applies and releases the parking brake when you use the parking brake control What does the emergency brake do? Uses parts of the service and parki...

he 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 system. If low air pressure warning comes on for the secondar...

TEXAS CDL AIR BRAKES, TX CDL #3- AIR BRAKES- SECTION 5, CDL AIR BRAKES 2 NEWEST 2024 ACTUL EXAM 200 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)

TEXAS CDL AIR BRAKES, TX CDL #3- AIR BRAKES- SECTION 5, CDL AIR BRAKES 2 | 200 EXAM QUESTIONS AND CORRECT ANSWERS | LATEST UPDATE 2024

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 system. If low air pressure warning comes on for the secondary system or...

CDL Air Brake Practice Test Questions and Answers (latest 2024)

CDL Air Brake Questions and Answers 100% Pass The air loss rate for a straight truck or bus with the engine off and the breakers applied should not be more than: D. 3 psi in one minute. Which of the following statements about brakes is true? A. The heavier a vehicle or faster it is moving, the more heat the brakes have to absorb to stop it. The purpose of the engine retarders is to: B. Help slow the vehicle while driving and reduce brake wear. If your vehicle has an alcohol eva...

Texas CDL Air Brakes Questions and Answers Already Passed Air brake systems combine what three different systems? Service brakes, parking brakes and emergency brakes. 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 and warning signal when psi drops below 60. What can legally hold a parking or eme...

CDL Air Brake Questions and Answers 100% Pass Modern air brake systems combines three different systems. service brakes, parking brakes, and 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 g...