OH CDL HAZMAT TEST - PRACTICE TEST
21.
When driving at night, if drivers of oncoming vehicles do not put their low beams on, you should:
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look directly at the headlights.
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flash your high beams to remind the other drivers to use their low beams.
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look slightly to the right at a right lane or edge marking, until the vehicles pass.
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22.
The basic description of hazardous materials does NOT include:
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hazard class or division.
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the name of the hazardous materials in italics.
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ID number.
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23.
Nitric acid should:
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not be loaded above any other product.
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stacked to the ceiling.
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loaded above other products.
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24.
Confused drivers may:
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stop without warning.
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change direction suddenly.
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All of the above.
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25.
Non-bulk packaging means a packaging which has:
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a water capacity greater than 908 kg (2,000 pounds) or less as a receptacle for a gas.
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a maximum capacity of 450 L (119 gallons) or less as a receptacle for a liquid.
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All of the above.
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26.
To know if your vehicle is equipped with ABS, look for:
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an ABS placard.
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the ABS logo on the steering wheel.
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a yellow ABS malfunction lamps on the instrument panel.
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27.
On
a tractor-trailer equipped with a trailer brake hand
valve, the hand valve can be used to:
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keep from rolling back.
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prevent movement of cargo.
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hold compressed air.
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28.
If your brakes get wet, it can cause them:
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to be weak.
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to apply unevenly.
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All of the above.
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29.
When driving on long and/or steep downgrades, to select an appropriate safe speed you should consider:
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the road conditions.
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the total weight of the vehicle and cargo.
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All of the above.
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30.
When crossing railroad tracks, you should:
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stay in your lane.
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shift gears while crossing the tracks.
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stop on the tracks.
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