Side-to-side surge can cause a tanker to roll over. When liquid surges to one side during a turn or lane change, it shifts the center of gravity and can tip the vehicle over, especially on curves.
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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