Question: A rigid coupling is used to transmit 5 0 kw power at 3 0 0 rpm . There are six bolts. The outer dia of

A rigid coupling is used to transmit 50 kw power at 300 rpm. There are six bolts. The outer dia of flanges is 200 mm, while the recess dia. is 150 mm. The coefficient of friction between the flanges is 0.15. The bolts are made of steel 45C8(380 N/mm^2) and the factor of safety is 3. Determine the dia. of the bolts. Assume that the bolts are fitted in large clearance holes.

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