The main difference between rigid and flexible coupling for shafts tra – McqOptions

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1.	The main difference between rigid and flexible coupling for shafts transmitting power is
A.	the number of coupling bolts are more in flexible coupling than in rigid coupling
B.	a flexible element is inserted around coupling bolts in one of the flanges
C.	There is a protective flange over bolts in the case of flexible coupling
D.	none of the above
E.	Cast steel
Answer» C.

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