OH CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
Which of the following statements about backing is NOT true?
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You should use the lowest reverse gear.
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Backing toward the left side is very dangerous because you can't see as well.
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You should get out of the vehicle and check your path if you are unsure.
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22.
If you are driving a 30-foot vehicle at 55 mph, you should leave at least _____ between you and the vehicle ahead.
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3 seconds
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2 seconds
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4 seconds
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23.
Which of the following is true about lanes changes?
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Lane changes should always be avoided.
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Lane changes require more than regular mirror checks.
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When changing lanes you should check your mirros as usual.
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24.
Which of the following is NOT a reason for hydraulic brake failure?
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Brake fade on long hills
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Stab braking
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Loss of hydraulic pressure
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25.
A low air pressure warning signal:
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is required on vehicles with air brakes.
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is required on all vehicles without air brakes.
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is optional on vehicles with air brakes.
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26.
Which of the following is checked in a pre-trip inspection?
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Wiper blades
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Steering wheel
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All of the above.
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27.
If you experience a tire failure, do NOT:
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stay off the brake (unless you're about to run into something).
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hold the steering wheel firmly.
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apply the brakes as hard as you can.
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28.
When approaching a vehicle as part of a pre-trip inspection, the driver should look under the vehicle for all of the following except:
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Coolant
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Windshield wiper fluid
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Grease
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29.
During the after-trip inspection, if you notice anything affecting safety or potentially leading to a mechanical breakdown, you should:
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make a written report.
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try to fix the problem yourself.
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ask the motor carrier to make a written report.
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30.
How many drinks per hour can be handled by the liver?
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About 3 drinks per hour.
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About 2 drinks per hour.
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About 1 drink per hour.
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