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Theory of machines

Q1: A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2 L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will

A remain same as before

B become equal to 2 R

C become equal to R/2

D become equal to R/4

ANS:A - remain same as before

Explanation: No answer description is available.



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