Answer to Question #214692 in Mechanical Engineering for Prach

Question #214692

The external and internal radii of a friction clutch of disc type are 120 mm and 70 mm

respectively. Both sides of the friction clutch are effective and co-efficient of friction is

equal to 0.25. The friction clutch is used to rotate a machine from a shaft which is rotating

at a constant speed of 320 r.p.m. The moment of inertia of the rotating parts of the machine

is 5.5 kg m2

. The intensity of pressure is not to exceed 80,000 N/m2

. Assuming uniform

wear, 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.


1
Expert's answer
2021-07-08T04:48:02-0400

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