AZ CDL HAZMAT TEST - PRACTICE TEST
21.
When you discover a fire, if the trailer doors are hot you should not open them because:
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the temperature of the trailer should not be changed in any way.
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opening the doors lets air in and may make the fire flare up.
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with air many fires do less damage.
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22.
Escape ramps:
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cannot be used by certain types of heavy vehicles.
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are designed to stop runaway vehicles safely.
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should not be used unless you have already tried all other possible ways to save your vehicle after brake failure.
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23.
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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24.
Shipping papers must include:
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the price of the hazardous materials.
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what the materials will be used for.
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an emergency response telephone number.
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25.
When driving in construction areas you should:
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increase your speed.
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decrease your speed.
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reduce speed to a crawl.
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26.
You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
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apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
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apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
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increase your speed to approximately 45 mph, and then apply release the brakes.
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27.
To know how much space you should keep in front of you:
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estimate how many seconds it would take you to reach the vehicle ahead.
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wait until the vehicle ahead of you passes a clear landmark, then count off the seconds until you reach the same spot.
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estimate how many vehicle lengths there are between you and the vehicle ahead.
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28.
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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leave the shipping papers in the driver’s door pouch or on the driver’s seat.
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keep the shipping papers with you.
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29.
What should you do if you doubt you have safe space to pass under a low bridge?
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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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Go slowly, and take another route if you are not sure you can make it.
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30.
If you get stuck on railroad tracks, you should:
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stay in the vehicle and call for help.
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get out of the vehicle and away from the tracks.
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have a helper push your vehicle.
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