In a four high rolling mill, there are four rolls out of which Options: A . &nbspOne is working roll and three are backing up rolls B . &nbspTwo are working rolls and two are backing up rolls C . &nbspThree are working rolls and one is backing up roll D . &nbspAll of the four are working rolls

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

Question

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

Options:

A . One is working roll and three are backing up rolls

B . Two are working rolls and two are backing up rolls

C . Three are working rolls and one is backing up roll

D . All of the four are working rolls

Answer: Option B

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