HAZMAT CDL PRACTICE TEST - IDAHO
21.
Before entering an intersection, make sure that:
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there is sufficient space to clear it.
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accelerate smoothly and change gears as necessary.
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there's enough room to get at least halfway across.
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22.
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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Go slowly, and take another route if you are not sure you can make it.
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Increase the weight of your vehicle to clearing under the bridge.
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23.
When you're going uphill and a heavy load is slowing you down, you should:
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stay in the left lane if you can.
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pass another slow vehicle to gain speed.
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shift into a lower gear.
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24.
When going down a steep downgrade, you should primarily brake using:
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the braking effect of the engine.
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the parking brake.
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the service brakes.
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25.
If the words "Inhalation Hazard" appears on the shipping paper, the __________ placard must be displayed.
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Corrosive Materials
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Liquid Gas
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Poison Inhalation Hazard or Poison Gas
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26.
On
a tractor-trailer equipped with a trailer brake hand
valve, the hand valve can be used to:
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prevent movement of cargo.
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keep from rolling back.
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hold compressed air.
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27.
Anti-lock brakes:
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keep your brakes from locking up when you brake hard.
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help you stop faster.
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increase your stopping distance.
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28.
If a material is transported in a reportable quantity, the shipper displays the letters ___ on the shipping paper and package.
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MT
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RQ
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RM
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29.
When fueling a motor vehicle containing hazardous materials:
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someone must always be at the nozzle, controlling fuel flow.
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you may leave the engine on, unless a sign requires you to turn it off.
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someone with a fire extinguisher must be within 10 feet of the pump.
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30.
If you discover a cargo leak, you should call for help and:
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try to identify the material by smell.
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use shipping papers to identify the leaking material.
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touch the leaking HazMat to identify the material.
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