MA CDL HAZMAT PRACTICE TEST
21.
Hazardous materials include all of the following except:
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Corrosives
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Explosives
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Livestock
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Oxidizers
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22.
If you are being tailgated, you should:
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turn on your taillights.
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speed up.
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try to let the other vehicle pass.
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drive on the shoulder.
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23.
If you get stuck on the railroad tracks, the first thing you should do is:
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try to move your vehicle until you see the train.
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stay in your vehicle and call 911.
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scream for help.
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immediately get out of the cab and move away from the tracks.
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24.
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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check the engine compartment quickly.
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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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25.
You are driving a vehicle with air brakes when the low air pressure warning light and buzzer come on. You should:
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pull off the road and stop immediately.
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activate your hazard lights and drive to the nearest place where you can stop.
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slow down and test your brakes.
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apply the brakes as hard as you can.
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26.
Front-end header boards:
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protect drivers from spilled cargo.
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protect drivers from cargo in case of an accident or emergency stop.
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reduce traction.
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should never be used.
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27.
Rough acceleration can cause:
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mechanical damage.
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tire damage.
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damage electrical and brake lines.
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All of the above.
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28.
When should you downshift automatic transmissions?
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When going down steep grades.
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When you start to get drowsy.
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Watch your tachometer, and downshift when your engine reaches the top of the range.
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When you want to go faster.
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29.
What should you do if your vehicle starts hydroplaning?
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Apply the brakes and countersteer to regain control of the vehicle.
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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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Accelerate slightly, then push in the clutch to slow down.
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30.
Hazardous materials should be loaded:
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at night.
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near heat sources.
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away from heat sources.
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even if some packages are leaking.
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