NC CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
Having ABS on only the trailer:
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makes the trailer more likely to roll over.
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makes the trailer more likely to swing out.
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is very dangerous.
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still gives you more control over your vehicle during braking.
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22.
Which of the following is not proper tie-down equipment:
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Bungee cords
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Chains
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Ropes
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Straps
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23.
When driving in hot weather, drivers should inspect tires:
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every 3 hours or every 75 miles.
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every 2 hours or every 100 miles.
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every 4 hours or every 200 miles.
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every hour or every 50 miles.
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24.
When faced with an emergency, drivers should:
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come to a stop if it is safe to do so.
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drive away as quickly as possible.
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make a U-turn and go in the opposite direction.
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immediately drive to the nearest police station.
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25.
Drivers should not assume that the heights posted at bridges and overpasses are correct. Why?
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Packed snow or repaving may have reduced the clearances since the heights were posted.
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Some roads can cause a vehicle to tilt.
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The bridge/overpass may have been rebuilt since the heights were originally posted.
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The weight of a cargo van changes its height.
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26.
A passive railroad crossing is one that:
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does not have any type of traffic control device.
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has a traffic control device installed at the crossing to regulate traffic.
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has at least two traffic control devices installed at the crossing to regulate traffic.
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requires you to stop and wait until the traffic control device installed at the crossing tells you to proceed.
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27.
A bridge formula permits less maximum axle weight for axles that:
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are closer together
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are further apart than normal
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have a high center of gravity
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have poor weight balance
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28.
Drivers should inspect their cargo and its securing devices within the first _______ after beginning the trip.
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100 miles
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50 miles
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15 miles
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25 miles
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29.
Which of the following statements about backing is TRUE?
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Backing is always dangerous.
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You should avoid backing whenever you can.
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When you have to back, you should back and turn toward the driver's side whenever possible.
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All of the above.
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30.
Empty trucks require greater stopping distances. True or False?
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True.
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False.
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False, but only for trucks built on or after March 1, 1998.
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True, but only on wet surfaces.
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