CDL HAZMAT PRACTICE TEST NEW MEXICO
21.
If your vehicle does not have racks to hold cylinders of compressed gas, the cylinders must be:
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bundled together with steel strapping.
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held upright.
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less than half of the cargo.
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22.
Before loading or unloading any flammable liquids, you should:
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turn on the headlights.
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turn off the engine.
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start the engine.
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23.
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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stop and remain stopped until the tires cool off.
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continue driving.
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24.
Two of the most common causes of tire fires are:
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Duals that touch and under-inflated tires.
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Loose lug nuts and duals that touch.
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Driver smoking and bleeding tar.
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25.
Which of the following is NOT true?
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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 bad brakes.
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26.
Which of the following statements about backing heavy vehicles is true?
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Always back as quickly as possible.
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You should avoid backing whenever you can.
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Back to the right side so that you can see better.
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27.
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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28.
To prevent drowsiness you should:
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never drive with a passenger.
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schedule trips for the middle of the night.
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get adequate sleep before a trip.
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29.
Which of the following hazard classes should NOT be placed into a temperature-controlled trailer?
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Classes 1, 3, and 5.1
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Classes 1, 3, and 4
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Classes 1, 2.1, and 3
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30.
Which of the following statements is true?
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Poor cargo ventilation is a common cause of fire.
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Carrying a properly charged and rated fire extinguisher will help prevent fires.
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There is no way that short circuits due to damaged insulation can cause a vehicle fire.
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