Free CDL Quiz

Why is stopping distance increased for tanker vehicles?

a.Because tankers have smaller brakes
b.Because liquid surge pushes the vehicle forward even after braking
c.Because tankers have fewer axles
d.Because tanker tires are narrower

Explanation

Stopping distance is increased for tanker vehicles because liquid surge continues to push the vehicle forward even after the brakes are applied. The weight of the liquid moving toward the front of the tank adds momentum and makes it harder to stop quickly.

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

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