Allied & ICAR Exam Bank • ALLIED_0326 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Traction theory

Question Statement:

Tractor tire lug angle (conventionally $45^\circ$ or $23^\circ$) is optimized to:

Options:

  • (A) Promote self-cleaning of mud between lugs while delivering strong forward traction
  • (B) Look attractive
  • (C) Increase road noise
  • (D) Support higher air pressure

Answer Key:

A

Step-by-Step Solution & Explanation

Angled lugs push wet soil outward away from the tire center, cleaning the tread voids as the tire rolls.
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