Theory of Machine - Mechanical Engineering Questions and Answers

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The static balancing is satisfactory for low speed rotors but with increasing speeds, dynamic balancing becomes necessary. This is because, the

unbalanced couples are caused only at higher speeds

unbalanced forces are not dangerous at higher speeds

effects of unbalances are proportional to the square of the speed

effects of unbalances are directly proportional to the speed

Answer : Option C

Explanation :

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