What do rust streaks around lug nuts indicate?

a.Normal wear

b.The lug nuts may be loose

c.The vehicle was recently in rain

d.The lug nuts are new

Explanation

Rust streaks coming from the lug nuts are a telltale sign that the lug nuts may be loose. Loose lug nuts can lead to wheel separation, which is an extremely dangerous situation.

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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 #2 section. Practice with more questions from this category to build confidence before taking the official DMV test.

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