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COMBINATION PRACTICE TEST - RI CDL

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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Rhode Island CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Rhode Island CDL Manual. Take this practice test now to prepare for the actual RI CDL combination test!
1. If a load is placed on one side of the trailer:
the steering axle weight will be too light to steer safely.
a rollover is more likely.
making turns may be easier.
2. An Anti-lock Braking System (ABS):
lets you drive faster.
increases your normal braking capability.
keeps your wheels from locking up when you brake hard.
3. During a walk around inspection of a combination vehicle, drivers should check that:
the glide plate is securely mounted to the trailer frame.
all locking pins are present and locked in place.
All of the above.
4. When backing a trailer, you should:
avoid correcting the drift.
try to position your vehicle so you can back in a straight line.
turn the steering wheel in the direction you want to go.
5. During a trip you need to inspect the cargo and its securing devices:
every 3 hours or 150 miles.
after every break you take.
All of the above.
6. Most hydraulic brake failures occur for one of two reasons, one of which is:
relying too much on the engine braking effect.
excessive downshifting.
loss of hydraulic pressure.
7. A red triangle with an orange center means:
Law enforcement vehicle
The vehicle is hauling hazardous materials
Slow-moving vehicle
8. Which of the following is NOT part of a trailer air line system?
Emergency air-line
Kingpin
Glad hands
9. When backing, as soon as you see the trailer getting off the proper path, you should:
turn the top of the steering wheel in the direction of the drift.
to keep a firm grip on the steering wheel and continue backing.
turn the top of the steering wheel in the opposite direction of the drift.
10. Axle weight is:
the maximum safe weight your tires can carry at a specified pressure.
the weight of all the axles added together.
the weight transmitted to the ground by one axle or one set of axles.
 
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RI Combination 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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