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WY CDL DOUBLES TRIPLES 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 Wyoming doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The WY CDL doubles triples test covers the following sections of the Wyoming CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this WY CDL practice test now to prepare for the actual test!
1. Blocking is used to:
protect the cargo from weather.
keep the cargo from sliding.
protect people from spilled cargo.
All of the above.
2. When driving a truck with more than 1 trailer, drivers should:
be especially careful in adverse conditions.
allow more following distance.
look far ahead so they can slow down or change lanes when necessary.
All of the above.
3. On any upgrade, _________ – the more you will have to use lower gears to climb hills or mountains.
the steeper the grade
the longer the grade
the heavier the load
All of the above.
4. Empty trucks:
may have poor traction.
have better traction than fully-loaded trucks.
require shorter stopping distances than fully-loaded trucks.
None of the above.
5. If your ABS malfunctions:
you still have normal brake functions.
the parking brakes will not work.
the service brake will not work.
you should immediately come to a complete stop.
6. A trailer jackknife is more likely to happen when the trailer is:
empty.
overloaded.
loaded to its full capacity.
None of the above.
7. When stopping you should push the brake pedal down:
as hard as you can.
quickly.
gradually.
repeatedly.
8. It may not be safe to operate at legal maximum weights:
in hot weather.
during bad weather or in mountains.
on highways.
on two-way streets.
9. If your trucks has a high center of gravity, which of the following is true for curves?
You should travel at the posted speed limit.
You should slow down, as your truck can roll over at the posted speed limit for the curve.
Reduce your speed to a crawl.
None of the above.
10. When the spring brakes are on, you should:
not push the brake pedal down.
pump the brakes.
exceed the posted speed limit.
press the accelerator.
 
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WY 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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