CDL DOUBLES PRACTICE TEST MAINE
11.
Exhaust system parts should NOT:
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rub against fuel system parts.
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rub against tires.
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All of the above.
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12.
Hanging meat in a refrigerated truck can be:
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a very unstable load with a high center of gravity.
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a very stable load if properly distributed.
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a very unstable load with a low center of gravity.
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13.
When you turn suddenly, which trailer is most likely to turn over?
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The rear trailer of doubles
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The front trailer
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The last trailer of triples
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14.
Which of the following is not a braking system on a truck?
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Service brake
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Steering brake
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Parking brake
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15.
Empty trucks:
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require shorter stopping distances than fully-loaded trucks.
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may have poor traction.
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have better traction than fully-loaded trucks.
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16.
Containerized loads are used:
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when the cargo has been or will be carried by rail or ship.
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when the cargo exceeds the weight limit.
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when transporting liquids.
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17.
Driving in very hot weather:
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can decrease oil pressure.
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should never be done.
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can increase tire pressure.
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18.
If a tire fails while you are driving, you should:
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call your supervisor for instructions.
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stay off the brake
until your vehicle has slowed down.
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stop on the roadway if possible.
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19.
During a trip you need to inspect the cargo and its securing devices:
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after every break you take.
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every 3 hours or 150 miles.
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All of the above.
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20.
As you approach off ramps and on ramps, remember:
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to always brake and turn at the same time.
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that the posted speed limit may not be safe for larger vehicles.
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that downgrades make it easier to reduce speed.
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