Allied & ICAR Exam Bank • ALLIED_2790 MCQ • 1 Mark

Section 2: Farm Machinery

Machine Design

Subtopic: Design and selection of machine elements – gears, pulleys, chains and sprockets and belts

Question Statement:

The condition for maximum power transmission by a belt drive considering centrifugal tension $T_c$ is that $T_c$ should equal:

Options:

  • (A) $T_{max} / 3$
  • (B) $T_{max} / 2$
  • (C) $T_{max} / 4$
  • (D) $2 T_{max} / 3$

Answer Key:

A

Step-by-Step Solution & Explanation

Differentiating power $P = (T_1 - T_c) v$ with respect to speed $v$ yields $T_c = T_{max} / 3$.
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