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VT CDL DOUBLES TRIPLES TEST - PRACTICE TEST

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Safely pulling double and triple trailers requires knowledge and skill. If you want to pull double or triple trailers, you must add the Doubles/Triples (T) endorsement to your Class A CDL. The Vermont doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The VT CDL doubles triples test covers the following sections of the Vermont CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this VT CDL practice test now to prepare for the actual test!
1. If the low air pressure warning light comes on, you should:
stop immediately.
continue to drive normally.
call for help.
2. If there is a fire and you are not sure what to use to put it out, you should:
use a fire extinguisher.
use water.
wait for firefighters.
3. Doubles and triples are:
less likely to turn over than other combination vehicles.
easier to drive than other combination vehicles.
more likely to turn over than other combination vehicles because of the "crack-the-whip" effect.
4. Foundation brakes are used:
at each wheel.
only with the front wheels.
only with the right wheels.
5. Pre-trip inspections of doubles and triples should:
take more time than inspecting straight trucks.
take less time than inspecting straight trucks.
be done by the shipper.
6. When going down grades, you should:
downshift to a lower gear.
put the transmission in Neutral.
shift up.
7. When conducting a pre-trip inspection:
you should review the last vehicle inspection report.
the inspection report should only be reviewed if you will be carrying passengers.
the vehicle inspection report should not be reviewed unless your supervisor tells you to do so.
8. Dollies with ABS are required to have a malfunction lamp:
on the left side.
on the right side.
on the rear.
9. When backing, it is best to:
try to back in the direction of the drift.
use a helper whenever possible.
use only the passenger's side mirror.
10. Which of the following is NOT correct? Anti-lock brakes:
give drivers more control over the vehicle during braking.
require drivers to apply the brakes as hard as they can without locking the wheels.
help drivers avoid skids caused by over braking.
 
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VT Doubles Triples Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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