AR CDL HAZMAT PRACTICE TEST
21.
If you doubt you have enough space to pass under a bridge, you should:
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turn on your 4-way emergency flashers.
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go slowly.
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drive faster.
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turn on your headlights.
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22.
If you are being tailgated, you should do all of the following except:
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Try to let the other vehicle pass
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Turn on your taillights
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Reduce your speed gradually
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Increase your following distance
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23.
If the hazardous material label won't fit on the package:
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the shipper may reduce the size of the label to fit on the package.
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place the package in a hazmat container.
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the shipper may put the label on a tag securely attached to the package.
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the shipper may use a QR Code instead.
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24.
If your tires are hot, you should NOT:
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let air out of the tires so the pressure goes back to normal.
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once the tires have cooled down, make another stop to check the tires.
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drive until you correct the cause of the overheating.
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stop to let the tires cool down.
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25.
How often should you check the tires if your placarded trailer has dual tires?
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Once every 12 hours.
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Once a month.
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At the beginning of each trip and each time the vehicle is parked.
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Once a year.
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26.
If your brakes get wet, it can cause them:
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to be weak.
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to grab.
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to apply unevenly.
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All of the above.
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27.
On front tires, tread should be at least:
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4/16 inch
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1/16 inch
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2/32 inch
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4/32 inch
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28.
What should you do if your vehicle starts hydroplaning?
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Accelerate slightly, then push in the clutch to slow down.
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Leave the road completely.
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Release the accelerator and push in the clutch to let the wheels turn freely.
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Apply the brakes and countersteer to regain control of the vehicle.
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29.
When fueling a vehicle containing hazardous materials, you should:
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leave the engine on.
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turn off the engine.
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call your supervisor.
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leave the nozzle unattended.
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30.
The hazardous material ID number must appear:
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on the back of the truck.
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on the shipping papers and on the package.
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on the package and on paperwork at the shipping destination.
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on the steering wheel.
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