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What factors should be used to determine a safe speed for going down a long steep downgrade?


The length of the grade and steepness of the grade should be used to determine a safe speed for going down a long steep downgrade.

The total weight of the vehicle and cargo should be used to determine a safe speed for going down a long steep downgrade.

The total weight of the vehicle and cargo, length of the grade, steepness of the grade, road conditions, and the weather should be used to determine a safe speed for going down a long steep downgrade.

The total weight of the vehicle, steepness of the grade, and the weather should be used to determine a safe speed for going down a long steep downgrade.



CDL Test Source: Federal Motor Carrier Safety Administration.


 

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