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O-in-thick slab is 10.0 ir eps in a hot rolling ope hickness. It is expected 3%ln each step. If the e eed is the same for the

O-in-thick slab is 10.0 ir eps in a hot rolling ope hickness. It is expected 3%ln each step. If the e eed is the same for the

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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.-26-A 2.0-in-thick slab is 10.0 in wide and 12. 0 ft long. Thickness is to be reduced in three steps in a hot rolling operation. Each step will reduce the slab to 75% of its previous thickness. It is expected that for this metal and reduction, the slab will widen by 3%In each step. If the entry speed of the slab in the first step is 40 ft/min, and roll speed is the same for the three steps, determine: (a) length and (b) exit velocity of the slab after the final reduction.
Transcribed Image Text:.-26-A 2.0-in-thick slab is 10.0 in wide and 12. 0 ft long. Thickness is to be reduced in three steps in a hot rolling operation. Each step will reduce the slab to 75% of its previous thickness. It is expected that for this metal and reduction, the slab will widen by 3%In each step. If the entry speed of the slab in the first step is 40 ft/min, and roll speed is the same for the three steps, determine: (a) length and (b) exit velocity of the slab after the final reduction.
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