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CDL DOUBLES TRIPLES PRACTICE TEST VERMONT

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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. Which of the following is not a type of retarder?
Pressure
Exhaust
Hydraulic
2. What is true about tire chains?
You should learn how to put the chains on before you need to do it in snow.
You must carry the at least 6 chains and extra cross-links.
You should watch the official video tutorial by the manifacturer before putting them on.
3. Emergency lines are often coded with the color ___ to keep from getting them mixed up with the service line.
yellow.
blue.
red.
4. To avoid becoming an aggressive driver you should:
make gestures to other drivers.
give other drivers the benefit of the doubt.
give other drivers your full attention.
5. When should you be particularly careful about high winds?
When emerging from a tunnel
When driving at night
When going downhill
6. Fully loaded rigs:
are just as likely to roll over as empty rigs.
are less likely to roll over than empty rigs.
are much more likely to roll over than empty rigs.
7. If your brakes fail on a steep mountain downgrade, you should:
decide what to do as soon as you know your brakes do not work.
slow down until your vehicle comes to a complete stop.
stay on the road and keep looking for the next available escape ramp.
8. You should always adjust your speed to be able to stop within:
50 feet.
the distance you can see ahead.
the length of your vehicle.
9. Which of these describes the proper braking technique when driving on a long and steep downgrade?
Release the brakesĀ until your speed is 5 mph above your safe speed, then apply the brakes. When your speed has decreased to your safe speed, repeat the previous steps.
Apply the brakes until your speed has been reduced to 5 mph, then release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
Apply the brakes. When your speed has been reduced to 5 mph below your safe speed, release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
10. What is Gross Vehicle Weight?
The total weight of a single vehicle, including its load
The total weight of a single vehicle, excluding its load
The total weight of the cargo
 
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VT CDL 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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