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CO CDL HAZMAT PRACTICE TEST

21. Strong winds can make it difficult to stay in your lane, especially when:
going into tunnels.
driving at speeds below 40 mph.
coming out of tunnels.
driving alongside other vehicles.
22. Before loading or unloading any flammable liquids, you should:
light up a cigarette.
turn off the engine.
start the engine.
turn on the headlights.
23. Class 8 hazardous materials include:
Flammable solids
Poison
Explosive materials
Corrosives
24. Which of the following is not a type of retarder?
Electric
Exhaust
Hydraulic
Pressure
25. An ABS system:
gives you more control over the vehicle during braking.
helps you avoid skids caused by over braking.
keep your wheels from locking when you brake hard.
All of the above.
26. Some packages of ________ bear a "transport index", which tells the degree of control needed during transportation.
radioactive materials
flammable liquids
corrosive liquids
explosives
27. When a tire fails, you should:
apply the brakes as hard as you can without locking the wheels.
brake in a way that will keep your vehicle in a straight line.
push the brake pedal down gradually.
stay off the brake.
28. Retarders:
apply their braking power whenever you push on the accelerator.
help slow a vehicle and reduce brake wear.
help prevent accidents by applying extra braking power to the non-drive wheels.
All of the above.
29. If there is an "RQ" before or after the HEMS description on the shipping paper, it means that:
the material is in a package containing no other materials.
the material has a value of more $50,000.00.
the carrier must report any spill of this material.
All of the above.
30. When the temperature drops:
bridges will freeze before the road will.
bridges will not freeze.
bridges usually freeze after other parts of the roadway.
None of the above.
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