Free CDL Quiz

What is bonding and grounding used for when working with flammable liquids?

a.To weigh the tank accurately
b.To prevent static electricity from creating a spark that could ignite flammable vapors
c.To keep the tank warm in cold weather
d.To test the purity of the liquid

Explanation

Bonding and grounding are used to prevent static electricity from creating a spark that could ignite flammable vapors. Bonding connects the tank to the receiving container to equalize electrical charge, while grounding connects equipment to the earth to discharge static buildup.

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

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