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Combination Vehicle Practice Test- CDL Exam with Complete Solutions 100% Solved
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Combination Vehicle Practice Test- CDL Exam with Complete Solutions 100% Solved
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Combination Vehicle Practice Test- CDL Exam withComplete Solutions 100% Solved
A tractor with a(n) ________ trailer requires the shortest amount of stopping distance .
1. empty
2. fully loaded
3. lightly loaded Correct Answer-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 Correct Answer-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
2. your fuel usage will increase
3. tire pressure will drop Correct Answer-you could lose your brakes while driving
Which part of the kingpin should the locking jaws close around? Correct Answer-The shank
, Combination Vehicle Practice Test- CDL Exam with
Complete Solutions 100% Solved
Glad hands are used to connect the ....
1. kingpin from the trailer to the locking jaws of the fifth wheel
2. electrical lines from the tractor to the trailer
3. service and emergency air lines from the truck or tractor to the trailer Correct Answer-
service and emergency air lines from the truck or tractor to the trailer
Trucks roll over more easily when fully loaded and are
1. ten times more likely to roll over in a crash than empty rigs
2. five times more likely to roll over in a crash than empty rigs
3. two times more likely to roll over in a crash than empty rigs Correct Answer-ten times
more likely to roll over in a crash than empty rigs
In general, the higher your trucks center of gravity, the ...
1. easier it is to turn over
2. more stable it is when turning
3. easier it is to turn around corners Correct Answer-easier it is to turn over
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