CDL HAZMAT PRACTICE TEST SOUTH CAROLINA
21.
While crossing railroad tracks, you should:
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not shift gears.
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shift up.
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shift down.
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stop, then look and listen for the train.
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22.
Placards are:
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signs put inside a vehicle used to warn others of hazardous materials.
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signs placed on a vehicle to identify the hazard class of the cargo.
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a type of safety equipment.
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devices placed below a vehicle to improve traction.
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23.
Which of the following is NOT true?
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ABS won't compensate for bad brakes.
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ABS only comes into play when a wheel would have locked up because of over braking.
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ABS will change the way you normally brake.
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ABS won't compensate for poor brake maintenance.
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24.
You should always be able to stop within:
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25 feet.
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50 feet.
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the distance you can see ahead.
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100 feet.
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25.
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 product may only be transported with an escort vehicle.
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The carrier may not open the package or container.
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The product must never be larger than the RQ.
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Never transport the product.
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26.
When driving on slippery surfaces, a lack of spray from other vehicles indicates that:
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ice has formed on the road.
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the road hasn't started to ice up yet.
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the pavement is dry.
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there is no ice on the road surface.
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27.
If a shipping paper describes both hazardous and non-hazardous products, the hazardous materials must be:
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listed in yellow ink.
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in the same color as the non-hazardous materials.
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highlighted in a contrasting color.
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listed at the bottom.
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28.
To avoid becoming a distracted driver you should:
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not turn off all communication devices.
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adjust all vehicle controls and mirrors while driving.
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eat and drink while you drive.
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not engage in complex conversations with others.
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29.
Before unloading explosive materials, you should:
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keep the engine running.
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turn your engine off.
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use hooks or other metal tools if possible.
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connect heater power sources.
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30.
What should you do if you doubt you have safe space to pass under a low bridge?
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Go slowly, and take another route if you are not sure you can make it.
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If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
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Increase the weight of your vehicle to clearing under the bridge.
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Assume that the height posted at the bridges is correct.
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