Theory Of Machine

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

  • A. Unbalanced couples are caused only at higher speeds
  • B. Unbalanced forces are not dangerous at higher speeds
  • C. Effects of unbalances are proportional to the square of the speed
  • D. Effects of unbalances are directly proportional to the speed
Answer: Option C.

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