VERMONT CDL COMBINATION PRACTICE TEST
11.
Weight that is loaded so there is a high center of gravity:
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makes a vehicle easier to handle.
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causes greater chance of rollover.
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reduces the chance that the load will shift to the side or fall off.
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12.
Fully loaded rigs:
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are much more likely to roll over than empty rigs.
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are less likely to roll over than empty rigs.
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are just as likely to roll over as empty rigs.
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13.
When inspecting the cargo, make sure it is:
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not overloaded.
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piled up.
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secured properly for the first 50 miles after beginning a trip.
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14.
If you have a manual transmission, when stopping don't _______ until the engine rpm is down close to idle.
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push the clutch in
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place the transmission in park
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shift to second gear
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15.
To prevent rollover, you should:
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drive on the shoulder of the road when possible.
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drive in the left lane.
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drive slowly around corners.
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16.
Longer combination vehicles have the tendency to swing wide on turns. This is called:
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jackknifing.
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off-tracking.
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hydroplaning.
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17.
The first thing to do when coupling a tractor-semitrailer is to:
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check the trailer height.
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inspect the fifth wheel.
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lock the trailer brakes.
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18.
Blocking _______________ to keep it from sliding.
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is used only in the back of a piece of cargo
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is used in the front, back, and/or sides of a piece of cargo
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goes from the upper part of the cargo to the floor
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19.
If you are being tailgated, you should:
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speed up.
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drive on the shoulder.
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try to let the other vehicle pass.
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20.
To test the tractor-semitrailer connection for security:
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pull out the air supply knob.
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check that the trailer is locked onto the tractor by pulling the tractor gently forward while the trailer brakes are still locked.
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plug the electrical cord into the trailer and fasten the safety catch.
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