CDL COMBINATION VEHICLES (With complete solution)

If you cross connect the two air lines the following will result correct answers 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? correct answers Fully raised with the crank hand...

TRUE OR FALSE: More than half of truck driver deaths in crashes are the result of truck rollovers. correct answers True Fully loaded rigs are ___ times more likely to roll over in a crash than empty rigs. correct answers 10 What can you do to prevent rollovers? correct answers keep the c...

How should you test the tractor semi trailer combination for being properly coupled? correct answers 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? correct answers ...

Before backing, check behind your vehicle by correct answers 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. correct answers 3 psi ...

To prevent rollovers correct answers Keep load close to ground as possible Drive slowly around corners Tailers may rollover without tractor rolling over How to prevent trailer skid correct answers 1. Recognize trailer skid early with mirrors 2. Stop braking 3. If must enter another lane to tu...

You are coupling a semi trailer to your tractor but have not yet backed under. The trailer is at the right height when: correct answers 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: correct answers norm...

Fully loaded rigs are _____ times more likely to roll over in a crash than empty rigs. correct answers 10 What 2 things help prevent a rollover? correct answers - Keep the cargo as close to the ground as possible - Drive slowly around turns Bobtails can be very hard to stop smoothly. It take...