Question

Q.1. The external intenal radi of a friction clutch of disc type are 120 mm & 150
um respectively. Both sides of the friction clutch are effective & -0.26. The
friction clutch is used to rotate a machine from a shaft which is rotating at a constant
speed of 2400 rpm. The Ml of the rotating parts of the machine is 15.6 kg. m'. The
intensity of pressure is not to exceed 0.81% 109 Nm". Determine the time required
for the machine to attain the full speed when the clutch is suddenly applied Also
determine the energy lost in slipping of the clutch
(051​

Answer 1

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