CDL – 6 Study Exam Questions & Answers.
What two things are important to prevent rollover? - CORRECT ANSWER Keep cargo as class to ground as possible and drive slowly around turns (6.1.1)
When you turn suddenly while pulling doubles, which trailer is most likely to turn over? - CORRECT AN...
What two things are important to prevent rollover? - CORRECT ANSWER Keep cargo as class to ground
as possible and drive slowly around turns (6.1.1)
When you turn suddenly while pulling doubles, which trailer is most likely to turn over? - CORRECT
ANSWER Fully loaded rigs are ten times more likely to roll over in a crash than empty rigs.
The rear trailer is more likely to roll over.
Why should you not use the trailer hand brake to straighten out a jack knifing trailer? - CORRECT
ANSWER The brakes on the trailer wheels caused the skid in the first place. Once the trailer wheels grip
the road again, the trailer will start to follow the tractor and straighten out.
What is offtracking? - CORRECT ANSWER rear wheels follow a different path than front wheels (6.1.6)
When you back a trailer, you should position your vehicle so you can back in a curved path to the
driver's side. True or False? - CORRECT ANSWER When backing a trailer, you turn the steering wheel in
the opposite direction. Once the trailer starts to turn, you must turn the wheel the other way to follow
the trailer.
Whenever you back up with a trailer, try to position your vehicle so you can back in a straight line.
True. If you must back on a curved path, back to the driver's side so you can see.
What type of trailers can get stuck on railroad-highway crossings? - CORRECT ANSWER Low slung units
(lowboy, car carrier, moving van, possum-belly livestock trailer).
Single-axle tractor pulling a long trailer with its landing gear set to accommodate a tandem-axle tractor.
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