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38. A press is used to punch 6 holes per minute of 30 mm diameter hole from 25 m thick plate. Determine the power needed to punch a hole if ultimate shear stress is 400 Mpa. A. 2.68 KW OB. 1.96 KW O C. 1.178 KW OD. 0.96 KW

38. A press is used to punch 6 holes per minute of 30 mm diameter hole from 25 m thick plate. Determine the power needed to punch a hole if ultimate shear stress is 400 Mpa. A. 2.68 KW OB. 1.96 KW O C. 1.178 KW OD. 0.96 KW

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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38. A press is used to punch 6 holes per minute of 30 mm diameter hole from 25 m thick plate. Determine the power needed to punch a hole if ultimate shear stress is 400 Mpa. A. 2.68 KW B. 1.96 KW C. 1.178 KW D. 0.96 KW
Transcribed Image Text:38. A press is used to punch 6 holes per minute of 30 mm diameter hole from 25 m thick plate. Determine the power needed to punch a hole if ultimate shear stress is 400 Mpa. A. 2.68 KW B. 1.96 KW C. 1.178 KW D. 0.96 KW
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