COMBINATION PRACTICE TEST - MS CDL
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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Mississippi 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 Mississippi CDL Manual. Take this practice test now to prepare for the actual MS CDL combination test!
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1.
How do you find out how many seconds of following distance you have?
Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach the same spot.
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Wait until the vehicle ahead of you passes a pavement marking, shadow or landmark. Then count off the seconds until you reach the same spot.
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Wait until the vehicle ahead of you passes a pavement marking or some other clear landmark, then use the stopwatch on your mobile phone to see how long it takes you to reach the same spot.
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None of the above.
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2.
Overloading can have negative effects on:
braking.
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speed control.
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steering.
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All of the above.
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3.
The trailer hand valve should:
never be used for parking.
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never be used to test the trailer brakes.
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be used in driving.
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All of the above.
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4.
If the spring brakes do not release when you push the trailer air supply control, you should:
rev or
lug the engine.
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check the air line connections.
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pump the brakes.
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check the electrical cables.
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5.
When driving in very hot weather, the heat will increase the chances of:
suspension system defects.
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loss of hydraulic pressure.
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ABS malfunction.
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tire failure.
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6.
Which of the following is not a reason for covering cargo?
To prevent other drivers from looking at the cargo
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To protect people from spilled cargo
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To protect the cargo from weather
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All of the above.
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7.
Dual tires:
should always come in contact with each other.
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should not come in contact with each other.
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are dangerous.
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should come in contact with each other whenever possible.
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8.
After coupling the trailer, begin raising the landing gear by using:
the high gear range.
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the low gear range.
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the electrical cord.
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the crank handle.
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9.
The heavier the vehicle:
the more work the brakes must do to stop it.
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the higher the center of gravity will be.
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the less work the brakes must do to stop it.
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None of the above.
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10.
The only way to stop a front-wheel skid is to:
countersteer.
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let the vehicle slow down.
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supply more power to the drive wheels.
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All of the above.
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MS Combination Test
Number of questions: | 20 |
Correct answers to pass: | 16 |
Passing score: | 80% |
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based on 213 votes