CDL TANKER PRACTICE TEST OKLAHOMA
11.
Unbaffled liquid tankers have nothing inside to slow down the flow of the liquid. Therefore:
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top-to-bottom surge is very strong.
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side-to-side surge is very strong.
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forward-and-back surge is very strong.
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12.
On
a tractor-trailer equipped with a trailer brake hand
valve, the hand valve can be used to:
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prevent movement of cargo.
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keep from rolling back.
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hold compressed air.
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13.
If your trailer starts to skid, you should:
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steer in the opposite direction.
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release the brakes.
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pump the brakes.
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14.
If the words "Inhalation Hazard" appears on the shipping paper, the __________ placard must be displayed.
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Liquid Gas
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Corrosive Materials
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Poison Inhalation Hazard or Poison Gas
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15.
Watch out for black ice:
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when it is snowing.
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any time the temperature is below freezing and the road looks wet.
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when the temperature is above freezing and the road is dry.
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16.
Shippers must warn drivers and others about the material's hazards:
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by making a written report each day on the condition of the material.
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by placing a red triangle with an orange center on the vehicle.
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by putting hazard warning labels on packages.
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17.
When stopping you should push the brake pedal down:
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quickly.
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gradually.
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repeatedly.
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18.
Passive railroad crossings:
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have a traffic control device installed at the crossing to regulate traffic.
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do not require you to recognize the crossing.
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require drivers to decide if there is sufficient clear space to cross safely.
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19.
If a vehicle is equipped with ABS, when you start the engine:
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the ABS indicator light on the dash should come on and then turn off.
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the wheels will lock up.
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the spring brakes will come on.
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20.
When coming to a stop, the liquid in the tank may surge, causing:
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causing the drive wheels to spin.
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the vehicle to be pushed forward.
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the vehicle to stop quicker.
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