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Mechanical Engineering · Q460

Theory Of Machine

Engineering and GATE · Mechanical Engineering · question 460

Q460

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
Answer
D.
Effects of unbalances are directly proportional to the speed

Answer: Option C

Solution

Answer: Option C
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