WebThe use of brakes on a long and/or steep downgrade is only a supplement to the braking effect of the engine. [California Commercial Driver Handbook] Explore more questions Take more free practice tests for other CDL topics with our cdl pre test now! Related Information Comments Alkam 2126 3 years ago It a great app to study for your CDL tests Web19. Which of the following answers is most correct about brake use on a long and steep downgrade? A. Use the braking effects of the engine, and when the vehicle speed reaches the “safe” speed, apply brakes firmly until vehicle speed is reduced to approximately 5 mph below “safe” speed B. Use stab braking C. Use only the trailer brakes ...
Under typical circumstances, applying the brakes on a long, steep ...
WebDec 12, 2024 · On a long or steep downgrade, brakes should only be used to supplement the braking effect of the engine. Apply the brakes just enough to feel a definite slowing down, … WebPark on level ground, wait until normal air pressure is reached, release the parking brake and move forward slowly at about 5 mph, then apply the brakes firmly. 12 Q 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 realeased. A 2 13 Q body sensory chart
CDL Practice Tests 2024 - Air Brake Endorsement
WebJul 10, 2011 · If your brakes are getting “soft” on downgrades, this indicates that they are heating up too much, and this is potentially very dangerous. If this has happened on your car, and if you have not had the brake fluid changed in the past 3 years, you need to have your mechanic change the brake fluid. WebWhen traveling down a steep downgrade: Answers The air brakes should be used. The vehicle should be placed in a low gear and the driver should use engine braking. The driver should continually downshift instead of using the brakes. Explanation WebTrust me, this is one of the best downhill driving tips if you want to: Save your brakes a lot of unnecessary wear & tear.; Actually HAVE brakes at the end of the hill!; In fact, you will increase the life of your brakes by a few … body separation magic trick