![Usually wide and sensitive speed control is desired in case of](https://www.gkseries.com/blog/wp-content/uploads/2022/04/Usually-wide-and-sensitive-speed-control-is-desired-in-case-of.png)
Q. Usually wide and sensitive speed control is desired in case of
A. centrifugal pumps
B. elevators
C. steel rolling mills
D. colliery winders
Answer: colliery winders
A. centrifugal pumps
B. elevators
C. steel rolling mills
D. colliery winders
Answer: colliery winders
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