Complete Package Deal For CDL - Combination Vehicle Practice Test Questions and Answers UPADTED 2024

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 cross connect the two air lines the following will result - You will not have air going to the trailer brakes You have coupled with a semi-trailer. In what position should you put the front trailer supports before driving away? - Fully raised with the crank handle secured in its bracket ...

The trailer should be lowered so that... A) the trailer is far above the fifth wheel B) the tractor strikes the nose of the trailer C) you can use the landing gear to make any adjustments D) it's raised slightly when the tractor's backed under it - D Which one of the following is controlled...

CDL Combination Practice Test 1 Questions and Answers 2024

In coupling, just before the tractor is coupled with the trailer you should: - connect the emergency and service air lines. In coupling, you should not move the tractor after it is coupled until you push in the air supply knob and: - wait until the air pressure is normal. What happens immediat...

Before backing, check behind your vehicle by - Getting out of the cab You are testing the air leaking rate of a combination vehicle. The system is at full pressure, the engine is off, and the brakes are off. The leakage rate should be less than __ per minute. - 3 psi The air leakage rate in a ...

CA CDL Combination Vehicles Test Questions and Answers 2024

How should you test the tractor semi trailer combination for being properly coupled? - Pull gently forward in low gear against the locked trailer brakes, then inspect your coupling. When coupling to the trailer, how far do you back up before stopping the first time? - Until the fifth wheel plate ...

You are coupling a semi-trailer to your tractor but have not yet backed under, the trailer is at the right height when: - It will be raised slightly when the tractor is backed under it. You should not back a tractor under a trailer until the whole air system is: - At normal pressure. Which par...

What two things are important to prevent rollover? (6.1.1) - 1. Keep cargo as close to the ground as possible 2. Drive slowly around turns When you turn suddenly while pulling doubles, which trailer is most likely to turn over? (6.1.2) - The rear most trailer What is the "crack-the-whip" ...