Allied & ICAR Exam Bank • ALLIED_0331 NAT • 2 Marks

Section 3: Farm Power

Farm Power

Subtopic: Tractors and Power Tillers

Question Statement:

A single-plate friction clutch with both sides effective has inner radius $80\text{ mm}$ and outer radius $120\text{ mm}$. Axial force $W = 2.5\text{ kN}$ and $\mu = 0.35$. Under uniform wear theory, torque capacity in $\text{N}\cdot\text{m}$ is:

Answer Key:

175

Step-by-Step Solution & Explanation

$r_m = (80 + 120)/2 = 100\text{ mm} = 0.1\text{ m}$. $n = 2$. $T = n \cdot \mu \cdot W \cdot r_m = 2 \times 0.35 \times 2500 \times 0.1 = 175.0\text{ N}\cdot\text{m}$.
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