CDL TANKER PRACTICE TEST DISTRICT OF COLUMBIA
11.
Class 2 hazardous materials include:
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Poison
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Corrosive materials
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Radioactive materials
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Flammable gases
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12.
Truck tractors with air brakes built after March 1, 1997, are required to be equipped with:
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a rear backup camera.
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hydraulic brakes.
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GPS
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anti-lock brakes.
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13.
A tank endorsement is required for certain vehicles that transport:
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passengers.
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solid materials.
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liquids or gases.
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None of the above.
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14.
Placards must be placed:
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on the front, rear and both sides of the vehicle.
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on the front only.
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on the rear only.
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on the driver's side of the vehicle.
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15.
For hazardous waste, shippers must keep a copy of shipping papers for _______ after the material is accepted by the initial carrier.
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6 months
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1 year
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3 years
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2 years
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16.
Forward-and-back liquid surge is very strong in:
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baffled tanks.
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unbaffled tanks.
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dry tanks.
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All of the above.
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17.
What is the main difference between portable tanks and cargo tanks?
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Portable tanks are not permanently attached to a vehicle.
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Portable tanks must show the lessee or owner’s
name.
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The product is loaded or unloaded while the portable tanks are off the vehicle.
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All of the above.
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18.
The tire load for each tire is stated:
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on the side of the tire.
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on the vehicle's operator manual.
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on the inside of the tire.
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on the tread of the tire.
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19.
When driving trucks with trailers, drivers should:
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make quick lane changes.
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decrease their following distance.
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push the brake pedal to the floor when braking.
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avoid making sudden movements with the steering wheel.
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20.
Tank vehicles have a high center of gravity, which means:
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they are more likely to roll over.
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they have more traction.
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they are less likely to roll over.
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they are very stable.
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