HAZMAT CDL PRACTICE TEST - WEST VIRGINIA
21.
If you notice a cargo leak, you should identify the hazardous material leaking:
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by smell.
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by touching the material.
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by using the shipping papers.
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by taste.
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22.
Move-over laws require drivers to _________ when approaching an emergency vehicle stopped on the roadside or a work zone.
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stop
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change direction
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sound their horn
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slow down and change lanes
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23.
Placards are used:
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to warn other drivers about the risks of tailgating.
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to warn others of hazardous materials.
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to warn other drivers when the load on the vehicle extends 4 feet or more beyond the rear of the body.
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to protect the accident area.
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24.
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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At the beginning of each trip and each time the vehicle is parked.
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Once a month.
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Once a year.
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25.
The best way to recognize that your trailer has started to skid is:
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by recognizing tire failure.
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by seeing it in your mirrors.
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by feeling the brakes come on.
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by opening the window and feeling the front of the mirror.
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26.
The posted speed limit:
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is only a suggestion.
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should only be exceeded when passing other vehicles.
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may only be exceeded when driving in rural areas.
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should never be exceeded.
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27.
Passive railroad crossings:
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do not have traffic control devices.
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should never be crossed using a CMV.
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have at least one traffic control device.
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usually have a person directing traffic.
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28.
ABS:
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helps you avoid wheel lock up.
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makes it easier to break.
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makes it easier to turn.
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allows the wheels to lock up.
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29.
Rollovers happen when drivers:
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turn too fast.
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stop too often.
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brake too hard.
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turn too slowly.
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30.
An Anti-lock Braking System (ABS):
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increases your normal braking capability.
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always shortens your stopping distance.
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keeps your wheels from locking up when you brake hard.
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lets you drive faster.
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