What is the maximum legal weight allowed on a single axle?

a.12,000 lbs

b.20,000 lbs

c.34,000 lbs

d.40,000 lbs

Explanation

The maximum weight generally allowed on a single axle is 20,000 lbs. Exceeding this limit can cause damage to roads and bridges and is a violation of federal weight regulations.

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About the CDL Exam

The CDL (Commercial Driver License) exam tests your knowledge of commercial driving rules, safety procedures, and vehicle operation. You must score 80% or higher to pass the written knowledge test. The exam covers general knowledge, air brakes, combination vehicles, and various endorsements.

This question is from the Class B CDL Knowledge Test #1 section. Practice with more questions from this category to build confidence before taking the official DMV test.

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