In a four high rolling mill, there are four rolls out of which-A-one is working roll and three are backing up rollsB-two are working rolls and two are backing up rollsC-three are working rolls and one is backing up rollD-all of the four are working rolls-B-two are working rolls and two are backing up rolls

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B two are working rolls and two are backing up rolls Explanation: No answer description is available.

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In a four high rolling mill, there are four rolls out of which

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In a four high rolling mill, there are four rolls out of which

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