HAZMAT CDL PRACTICE TEST - IDAHO

21. Before entering an intersection, make sure that:
there is sufficient space to clear it.
accelerate smoothly and change gears as necessary.
there's enough room to get at least halfway across.
22. What should you do if you doubt you have safe space to pass under a low bridge?
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
Go slowly, and take another route if you are not sure you can make it.
Increase the weight of your vehicle to clearing under the bridge.
23. When you're going uphill and a heavy load is slowing you down, you should:
stay in the left lane if you can.
pass another slow vehicle to gain speed.
shift into a lower gear.
24. When going down a steep downgrade, you should primarily brake using:
the braking effect of the engine.
the parking brake.
the service brakes.
25. If the words "Inhalation Hazard" appears on the shipping paper, the __________ placard must be displayed.
Corrosive Materials
Liquid Gas
Poison Inhalation Hazard or Poison Gas
26. On a tractor-trailer equipped with a trailer brake hand valve, the hand valve can be used to:
prevent movement of cargo.
keep from rolling back.
hold compressed air.
27. Anti-lock brakes:
keep your brakes from locking up when you brake hard.
help you stop faster.
increase your stopping distance.
28. If a material is transported in a reportable quantity, the shipper displays the letters ___ on the shipping paper and package.
MT
RQ
RM
29. When fueling a motor vehicle containing hazardous materials:
someone must always be at the nozzle, controlling fuel flow.
you may leave the engine on, unless a sign requires you to turn it off.
someone with a fire extinguisher must be within 10 feet of the pump.
30. If you discover a cargo leak, you should call for help and:
try to identify the material by smell.
use shipping papers to identify the leaking material.
touch the leaking HazMat to identify the material.
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