Agricultural Engineering > GATE 2015 > Clutches
A multiple disc clutch is to transmit 15 kW at 750 rpm. The inner and outer radii of the friction surfaces are 60 mm and 100 mm, respectively. The coefficient of friction is 0.1 and the maximum allowable pressure is 350 kPa. Assuming uniform wear, the number of pair of contact surfaces required is _______.
Correct : 3
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