General Studies · Manufacturing Processes
In a four-high rolling mill, there are a total of four rolls, out of which:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1all four are working rolls
- 2three are working rolls and one is a backing-up roll
- 3two are working rolls and two are backing-up rolls✓
- 4one is a working roll and three are backing-up rolls
Correct answer
two are working rolls and two are backing-up rolls
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