CDL EXAM - Combination Vehicle Exam Question With Verified Answers
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Course
CDL
Institution
CDL
CDL EXAM - Combination Vehicle Exam
Question With Verified Answers
You can roll the last trailer of triples ____times as easily as a five-axle tractor.
a. 2
b. 3.5
c. 5
d. 5.5
e. all the above - answerb. 3.5
____ of truck driver deaths in crashes are the result of truck rollovers.
a. fewer...
CDL EXAM - Combination Vehicle Exam
Question With Verified Answers
You can roll the last trailer of triples ____times as easily as a five-axle tractor.
a. 2
b. 3.5
c. 5
d. 5.5
e. all the above - answer✔b. 3.5
____ of truck driver deaths in crashes are the result of truck rollovers.
a. fewer than one-fourth
b. more than one-fourth
c. more than half
d. more than three-fourths - answer✔c. more than half
Fully loaded rigs are ____ likely to roll over in a crash compared to empty rigs.
a. ten times more
b. twice as
c. half as
d. equally
e. none of the above - answer✔a. ten times more
To help prevent rollover, keep cargo:
a. heavy
b. low
d. off to one side - answer✔b. low
Rearward amplification of 2.0 means that the rear trailer is ____ to turn over as the tractor.
a. twice as likely
b. half as likely
c. four times as likely
d. eight times as likely - answer✔a. twice as likely
T/F: The "crack-the-whip" effect often causes only the trailer, and not the truck, to overturn. -
answer✔false
T/F: It takes a bobtail less time to stop than a tractor-semitrailer loaded to max gross weight -
answer✔false
If your trailer starts t skid:
a. release the brakes
b. use the trailer hand brake
c. pump and release the brakes repeatedly - answer✔a. release the brakes
To prevent other drivers from passing you on the right, keep the _____ part of the vehicle close
to the curb.
a. left
b. right
c. front
d. rear
e. none - answer✔d. rear
When backing with a trailer, as soon as you see the trailer getting off the proper path, correct it
by turning the top of the steering wheel ____ the drift.
a. in the direct of
b. in the opposite direction of
c. in neither the direction nor the opposite direction of
d. none of the above
e. all of the above - answer✔a. in the direction of
When backing a trailer, you turn the steering wheel in ____ where you want to go.
a. same direction as
b. opposite direction of
c. neither same nor opposite direction - answer✔b. opposite direction of
The trailer hand valve should be used: 6.2.1 p 6.4
a. while driving
b. to test the trailer brakes
c. for slowing but not stopping - answer✔b. to test the trailer brakes
If a trailer does not have spring brakes, use ____ to keep the trailer from moving.
a. wheel chocks
b. hand valve
c. straight brakes
d. none - answer✔a. wheel chocks
Large combination vehicles take longer to stop when they are____
a. new
b. full
c. empty
d. all of the above - answer✔c. empty
Off tracking causes the path followed by a tractor to be ____ the rig itself.
a. narrower than
b. wider than
c. same width as - answer✔b. wider than
If you must back with a trailer on a curved path, back ____ so you can see.
a. to the driver's side
b. to the passenger's side
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