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Theory of machines

Q1:

The rotating shafts tend to vibrate violently at whirling speeds because

A the system is unbalanced

B bearing centre line coincides with the axis

C the shafts are rotating at very high speeds

D resonance is caused due to the heavy mass of the rotor

ANS:D - resonance is caused due to the heavy mass of the rotor

Explanation: No answer description is available.



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