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Machine Design
Design Against Static Load
GATE 2008
Medium

A clutch has outer and inner diameters 100 mm and 40 mm respectively. Assuming a uniform pressure of 2 MPa and coefficient of friction of liner material 0.4, the torque carrying capacity of the clutch is

  • A148 Nm
  • 196 Nm
  • C372 Nm
  • D490 Nm

Explanation

Uniform-pressure clutch torque T=(2π/3)μp(Ro³-Ri³)=(2π/3)(0.4)(2×10⁶)(0.05³-0.02³)=(2π/3)(0.4)(2×10⁶)(0.000117)≈196 Nm.

Source: GATE ME 2008 (2008)

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