ACT Heavy Vehicle Knowledge Test Practice Questions - Heavy Vehicle Knowledge Test (Rigid Combination Road Rules Knowledge Test) Exam

What is the primary reason a heavy vehicle's turning circle (swept path) is larger than that of a car?

Heavy vehicles have wider tyres Heavy vehicles must travel faster to turn The greater length between front and rear axles causes the rear wheels to follow a different (tighter) arc than the front, requiring a wider overall swept path Heavy vehicles use a different type of steering rack

Correct Answer:

The greater length between front and rear axles causes the rear wheels to follow a different (tighter) arc than the front, requiring a wider overall swept path

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