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Class A CDL Practice Test #1
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Question #1 of 114

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Combination vehicles and the rearward amplification each trailer has after a quick lane change is called what?


Crack the road effect.

Crack the whip effect.

The trailer effect.

The new driver effect.



Class A Commercial Driver’s License

You will need a “Class A” commercial driver’s license if you plan to drive any combination of vehicles which have a gross combination weight rating or gross combination weight of 26,001 pounds or more, whichever is greater, including a possible towed unit or units with a gross vehicle weight rating or gross vehicle weight of more than 10,000 pounds, whichever is greater.

Source: Federal Motor Carrier Safety Administration.


 

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