Allied & ICAR Exam Bank • ALLIED_3113 MCQ • 1 Mark

Section 3: Farm Power

Tractors and Power Tillers

Subtopic: Traction theory

Question Statement:

According to Bekker traction mechanics, soil thrust developed under a driven tire track #2 is governed by Coulomb-Mohr equation:

Options:

  • (A) H = A * c + W * tan(phi) (cohesion plus frictional resistance)
  • (B) H = m * a
  • (C) H = P * V
  • (D) H = c / phi

Answer Key:

A

Step-by-Step Solution & Explanation

Gross traction H combines soil cohesion c over contact area A and normal load W with internal friction angle phi.
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