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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 Rhode Island doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The RI CDL doubles triples test covers the following sections of the Rhode Island CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this RI CDL practice test now to prepare for the actual test!
1.
Older trailers do not have spring brakes. If the air supply leaks away:
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the trailer will stop normally.
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there will be no emergency brakes.
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the ABS won't work properly.
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2.
Combination vehicles usually require _________ single commercial vehicles.
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less driving skill than
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more driving skill than
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the same level of skill as
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3.
If you are caught in strong winds, you should:
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keep a strong grip on the steering wheel and slow down or pull off the roadway.
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immediately take your foot off the accelerator.
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speed up while keeping a strong grip on the steering wheel.
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4.
Containerized loads are used:
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when the cargo exceeds the weight limit.
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when transporting liquids.
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when the cargo has been or will be carried by rail or ship.
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5.
When a combination vehicle goes around a corner:
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the driver must keep the rear of your vehicle far away from the curb.
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the rear wheels of the trailer will never off-track.
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the front and rear wheels follow a different path.
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6.
When backing, it is best to:
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use a helper whenever possible.
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use only the passenger's side mirror.
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try to back in the direction of the drift.
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7.
It is safer to drive over (rather than to avoid) which of the following?
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Paper and cloth sacks
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Cardboard boxes
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None of the above.
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8.
When backing, you should:
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back quickly.
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avoid using the mirrors.
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use a helper if possible.
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9.
Doubles/triples are:
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less stable than other CMVs.
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usually faster than most CMVs.
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easier to drive than other CMVs.
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10.
Which of the following will NOT help you prevent rollover?
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Using the controlled braking method.
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Driving slowly around turns.
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Keeping the cargo as close to the ground as possible.
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