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CDL - Complete Practice Test Study Package Practice Tests

Free CDL - Section 7 - Doubles and Triples Sample Practice Test

You are about to take the CDL - Section 7 - Doubles and Triples. This sample test consists of 10 multiple choice questions and answers.

Please select the best answer for each question below and then click "Grade It!"

1. The _______________ trailer in a combination is the most likely one to turn over.
a.
first
b.
second
c.
last
d.
None of the above
2. True or False: Converter dollies built on or after March 1, 1998, are required to have antilock brakes.
a.
True
b.
False
3. Converter dollies with antilock brakes will have a ______________ stamp on the ____________ side of the dolly.
a.
yellow, left
b.
yellow, right
c.
red, left
d.
red, right
4. When coupling a twin trailer, the first step is to:
a.
secure the second (rear) trailer
b.
position the converter dolly in front of the second (rear) trailer
c.
connect the converter dolly to the front trailer
d.
connect the converter dolly to the rear trailer
5. When connecting a converter dolly to the rear trailer, make sure that the trailer brakes are ________________ and/or the wheels are _________________.
a.
locked, chocked
b.
chocked, locked
c.
released, locked
d.
released, chocked
6. When uncouping twin trailers, the first thing you should do is:
a.
uncouple the rear trailer
b.
uncouple the converter dolly
c.
disconnect the safety chains
d.
lower the dolly landing gear
e.
None of the above
7. True or False: When uncoupling the converter dolly of twin trailers, it is acceptable to unlock the pintle hook with the dolly under the rear trailer.
a.
False
b.
True
8. When inspecting double and triple trailers, make sure that there is no visible space between the upper and lower ___________________.
a.
fifth wheel
b.
shank
c.
kingpin
d.
air line
9. When checking double and triple trailers, the rear of the front trailers should be ______________, the rear of the last trailer should be ______________, and the converter dolly air tank drain valve should be ______________.
a.
open, closed, closed
b.
open, open, closed
c.
closed, closed, open
d.
closed, open, open
10. When parking a double or triple trailer, make sure that you will be able to:
a.
pull straight through
b.
back out
c.
steer left
d.
steer right

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About the CDL Driving Test

The Federal Commercial Motor Vehicle Safety Act of 1986 set minimum standards for a Commercial Drivers License in order to reduce accidents involving commercial motor vehicles. To comply with the ... (read more)

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