WASHINGTON DOUBLES TRIPLES PRACTICE CDL TEST
11.
It may not be safe to operate at legal maximum weights:
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in hot weather.
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on two-way streets.
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during bad weather or in mountains.
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12.
To reduce the chance of rollover, you should:
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put the lightest parts of the cargo under the heaviest parts.
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place the cargo as high as possible inside the trailer.
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distributed the cargo as low as possible inside the trailer.
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13.
Cargo should be properly covered:
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to protect the weather from the cargo.
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to block your view or someone else’s.
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to protect people from spilled cargo.
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14.
If you are feeling sleepy, you should:
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pull off the road and rest or take a nap.
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slow down and drive on the shoulder of the road.
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increase your speed to get to the destination quicker.
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15.
Brake lag is:
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the amount of air pressure required to stop the vehicle.
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the time required for the air brakes to work after the brake pedal is pushed.
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the distance your vehicle will travel, in ideal conditions, while you are braking.
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16.
How should you brake if your vehicle loses ABS?
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Step on and off the brake pedal several times
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Pump the brake repeatedly
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Brake as you always have.
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17.
You can determine if your vehicle is equipped with ABS (anti-lock braking system) by:
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checking for a yellow ABS malfunction lamp on the instrument panel.
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checking if your vehicle was manufactured after March 1, 1998.
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All of the above.
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18.
When more cargo is piled up in a truck, the center of gravity moves:
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to the left side of the truck.
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higher up from the road.
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closer to the ground.
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19.
You must have at least _____ inch tread depth in every major groove on front tires.
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2/32
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6/32
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4/32
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20.
When parking a trailer without spring brakes, it is very important for safety that you use wheel chocks. Why?
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You may not notice a major leak in the service line until you try to put the brakes on.
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The air could leak out of the trailer air tank, releasing its emergency brakes.
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if you don't use wheel chocks, supply air will be sent to the service line instead of going to charge the trailer air tanks.
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