North Carolina CDL Tanker Practice Test
11.
When transporting chlorine in cargo tanks, you must have _______ in the vehicle.
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approved goggles
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5 reflective triangles
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an approved gas mask
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an approved cell phone
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12.
When fueling a vehicle containing hazardous materials, you should:
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leave the nozzle unattended.
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call your supervisor.
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turn off the engine.
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leave the engine on.
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13.
If your brakes fail while you are driving on a downgrade, you should:
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take the least hazardous escape route you can.
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immediately start looking outside your vehicle for something to stop it.
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use an escape ramp if it's available.
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All of the above.
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14.
The tractor protection valve:
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keeps your wheels from locking up when you brake hard.
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keeps air in the brake system should the trailer develop a bad leak.
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prevents the trailer from being accidentally released.
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keeps air from going out if the air compressor develops a leak.
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15.
A material’s hazard class reflects:
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the risks associated with the material.
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the type of packaging required to transport the material.
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the emergency response information related to the material.
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the methods for handling spills or leaks in the absence of fires.
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16.
Most heavy trucks with manual transmissions require ____ to change gears.
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triple clutching
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single clutching
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double clutching
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None of the above.
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17.
Front-end header boards:
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reduce traction.
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protect drivers from cargo in case of an accident or emergency stop.
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should never be used.
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protect drivers from spilled cargo.
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18.
What is the most important reason to inspect your vehicle?
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Vehicle inspection is required by federal and state laws.
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Saving money by preventing costly repairs.
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Your safety and that of other road users.
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Achieving the best gas mileage.
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19.
One reason parked delivery trucks can present a hazard is:
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their drivers are often in a hurry and may suddenly step out of their vehicle.
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packages may fall out of the truck.
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they are often hard to see.
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All of the above.
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20.
Baffles:
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separate the load.
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help to control the forward and backward liquid surge.
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help to control the side-to-side liquid surge.
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help to prevent cargo overload.
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