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They become quieter.
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|
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They become less effective.
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They work better than usual.
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They work differently from front to back.
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Mississippi CDL Permit Test - Passenger
(From the 2021 Mississippi CDL driver handbook)
| Number of questions: | 20 |
| Passing score: | 16 |
Directions:
To receive this endorsement, applicants must pass a test consisting of 20 multiple choice questions. Each
Passing grade —
4 or fewer errors
advertising
1.
When driving down a steep grade, your brakes may fade. What happens if brakes fade?
2.
During an applied leakage test, the maximum leakage rate for a double combination vehicle is ____ in a minute.
|
2 psi
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4 psi
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6 psi
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3.
To best reduce the distractions of a cell phone, you should:
|
Stay on a single call for an entire trip.
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|
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Turn the phone off before driving.
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Only us the phone to accept incoming calls.
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Use the phone to text rather than talk.
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4.
If you see taillights ahead while you are driving in fog:
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The lights may not indicate where the road is as the vehicle may have pulled off the roadway.
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You can assume the vehicle ahead is on the road.
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It may be an optical illusion.
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5.
Which of the following is not a cause of hydraulic brake failure?
|
Loss of hydraulic pressure
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|
|
Brake fade on long hills
|
|
|
Downshifting
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6.
Hydroplaning:
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Only occurs at extremely high speeds.
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Can occur at speeds as slow as 30 mph.
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Happens most frequently when tire pressure is too high.
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Happens most frequently when tires have good tread.
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7.
Mirrors should be adjusted:
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While moving.
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|
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When the trailers are straight.
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|
|
When you are standing next to the vehicle.
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|
|
By an assistant.
|
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