Usually wide and sensitive speed control is desired in case of
A. centrifugal pumps
B. elevators
C. steel rolling mills
D. colliery winders
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Answer: D
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Usually wide and sensitive speed control is desired in case of
A. centrifugal pumps
B. elevators
C. steel rolling mills
D. colliery winders
Answer: D
Share your understanding of this question with the correct explanation.