OKLAHOMA CDL TANKER PRACTICE TEST
11.
The regulations require that HazMat employees be trained and tested at least once every:
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5 years.
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3 years.
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year.
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12.
Older trailers do not have spring brakes. If the air supply leaks away:
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the trailer will stop normally.
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there will be no emergency brakes.
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the ABS won't work properly.
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13.
Before unloading explosive materials, you should:
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turn your engine off.
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keep the engine running.
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connect heater power sources.
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14.
Class 1 hazardous materials include:
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Flammable solids
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Flammable liquids
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Explosives
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15.
Tank vehicles have a high center of gravity, which means:
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they have more traction.
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they are more likely to roll over.
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they are very stable.
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16.
Most heavy-duty vehicles use:
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solid brakes.
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hydraulic brakes.
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air brakes.
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17.
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 service brakes.
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the parking brake.
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18.
You had to drive onto the right shoulder to avoid a crash. You are now driving at 40 mph on the shoulder. How should you move back onto the pavement?
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Keep moving at the present speed and steer very gently back onto the pavement.
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Brake hard to slow the vehicle, then steer sharply onto the pavement.
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If the shoulder is clear, stay on it until your vehicle has come to a stop, then move back onto the pavement when it is safe.
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19.
The minimum amount of tread for rear tires is:
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1/64 of an inch
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2/32 of an inch
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1/32 of an inch
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20.
To prevent drowsiness you should:
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never drive with a passenger.
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schedule trips for the middle of the night.
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get adequate sleep before a trip.
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