Allied & ICAR Exam Bank • ALLIED_0320 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Traction theory

Question Statement:

Net traction ratio (coefficient of net traction) of an agricultural drive wheel is defined as:

Options:

  • (A) Net drawbar pull divided by dynamic normal load on the drive wheel ($P / W_d$)
  • (B) Gross traction divided by engine power
  • (C) Rolling resistance divided by slip
  • (D) Tire width divided by diameter

Answer Key:

A

Step-by-Step Solution & Explanation

Net traction coefficient $\mu_{net} = P / W_d$, representing the usable fraction of dynamic axle weight converted into pull.
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