OH CDL HAZMAT PRACTICE TEST
21.
You must have at least 4/32 inch tread depth in every major groove on front tires and at least ___ inch on other tires.
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4/32
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1/32
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2/32
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22.
If you're carrying hazardous materials and are stopped at a truck stop, you should:
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leave the shipping papers on the dashboard in clear view.
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keep the shipping papers with you.
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leave the shipping papers in the driver’s door pouch or on the driver’s seat.
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23.
Do not load animal or human food in the same vehicle with:
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explosives.
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oxidizers.
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poison.
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24.
When driving in extremely hot weather, if the air pressure in the tires is too high, you should:
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let air out of the tires to decrease pressure.
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continue driving.
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stop and remain stopped until the tires cool off.
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25.
Drivers involved in transporting hazardous materials must:
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keep hazardous materials shipping papers and emergency response information in the proper place.
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safely transport the shipment without delay.
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All of the above.
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26.
If you notice a cargo leak, you should identify the hazardous material leaking:
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by using the shipping papers.
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by taste.
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by touching the material.
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27.
To avoid rollbacks when you start, you should:
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release the parking brake only when you have applied enough engine power.
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if you have manual transmission, partly engage the clutch before you take your right foot off the brake.
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All of the above.
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28.
If the vehicle ahead of you is smaller than yours:
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it can probably stop faster than you can.
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it will usually take longer to stop.
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it will take the same amount of time to stop.
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29.
If the word "Forbidden" is written or typed in the Hazard Class or Division column of any entry in the Hazardous Materials Table:
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The carrier may not open the package or container.
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Never transport the product.
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The product must never be larger than the RQ.
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30.
If you hear a loud loud "bang" and the steering feels "heavy", you should:
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pump the brakes until the vehicle has slowed down.
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brake hard and pull off the road.
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hold the steering wheel firmly and stay off the brake.
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