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A single plate clutch consists of a pair of contacting surfaces. the inner and outer diameters of the friction disk are 125mm and 250mm respectively. the coefficient of friction is 0.25 and the total axial force is 15kn. calculate the power transmitting capacity of the clutch at 500r.p.m using:
1. uniform wear theory
2. uniform pressure theory
a multi-disk clutch consists of two steel disks with one bronze disk. the inner and outer diameters of the contacting surfaces are 200mm and 250mm respectively. the coefficient of friction is 0.1 and the maxmum pressure is limited to 0.4N/mm2. assuming uniform-wear theory, calculate the required operating force and the power transmitting capacity at 720r.p.m?
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