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1. |
A sheet with an initial thickness 30 mm is rolled in two high mills with entering velocity of 5 mm/sec. If the final thickness of sheet is 15 mm find the exit velocity of rolled sheet? |
A. | 5mm/sec |
B. | 25mm/sec |
C. | 10mm/sec |
D. | 100mm/sec |
Answer» D. 100mm/sec | |