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VERMONT CDL COMBINATION PRACTICE TEST

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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Vermont 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 Vermont CDL Manual. Take this practice test now to prepare for the actual VT CDL combination test!
1. One way to prevent hydroplaning is to:
make sure you have enough tread on your tires.
have less than 4/32 inch tread depth in every major groove on front tires.
take curves at higher speeds.
2. Before starting down a hill, you should:
release the accelerator and shift to Neutral at the same time.
look for an escape route.
slow down and shift to a lower gear.
3. Which of the following will NOT help you prevent rollover?
Using the controlled braking method.
Keeping the cargo as close to the ground as possible.
Driving slowly around turns.
4. If you unlock the pintle hook with the dolly still under the rear trailer:
the dolly tow bar may fly up.
your vehicle might roll away.
the brakes could be damaged by the combined forces of the springs and the air pressure.
5. 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.
6. When you make a quick lane change, the crack-the-whip effect can:
turn the trailer over.
improve your traction.
make it harder to turn without skidding.
7. Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
Rain
The weight of a cargo
Repaving of the road
8. Empty trucks require _____ stopping distances because empty vehicles have ______ traction.
greater; more
greater; less
less; more
9. If your vehicle catches fire, you should pull over:
in an open area.
near trees.
at a service station.
10. Tests have shown that trucks with a high center of gravity:
are less likely to roll over when entering a curve.
can roll over at the posted speed limit for a curve.
can roll over if the driver exceeds the posted speed limit for a curve.
 
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CDL Combination Test (VT)

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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