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Home Work: 1. As shown in figure below, a hole is to be punched out of a plate having an ultimate shearing stress of (300MPA) 1) If the compressive stress in the punch is limited to (400MPA), determine the maximum thickness of plate from which a hole (100mm) in diameter can be punched. 2) If the plate is (10mm) thick, compute the smallest diameter hole which can be punched

Home Work: 1. As shown in figure below, a hole is to be punched out of a plate having an ultimate shearing stress of (300MPA) 1) If the compressive stress in the punch is limited to (400MPA), determine the maximum thickness of plate from which a hole (100mm) in diameter can be punched. 2) If the plate is (10mm) thick, compute the smallest diameter hole which can be punched

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
Problem 1.1MA
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Home Work: 1. As shown in figure below, a hole is to be punched out of a plate having an ultimate shearing stress of (300MPA) 1) If the compressive stress in the punch is limited to (400MPA), determine the maximum thickness of plate from which a hole (100mm) in diameter can be punched. 2) If the plate is (10mm) thick, compute the smallest diameter hole which can be punched Solution: 1) Thickness = 33.33 mm 2) Diameter = 30 mm
Transcribed Image Text:Home Work: 1. As shown in figure below, a hole is to be punched out of a plate having an ultimate shearing stress of (300MPA) 1) If the compressive stress in the punch is limited to (400MPA), determine the maximum thickness of plate from which a hole (100mm) in diameter can be punched. 2) If the plate is (10mm) thick, compute the smallest diameter hole which can be punched Solution: 1) Thickness = 33.33 mm 2) Diameter = 30 mm
Solution: 5 m 5 m a) Given data: The diameter of the cable is d = 0. 6 in %3D • The weight of the bar is w = 6000 lb b) Consider the triangle DAB, AB=/(5 m)² + (3 m)² =V34 Taking moment at about point C, E M.=0 5T + 10(T)=5(6000 lb) 3 V34 5T + 5. 144T=30000 lb T=2957. 13 lb T=2957.13 lb c) The expression to calculate the stress is given as, T A 2957.13 lb 7(0,6 in)? =10458. 72 psi
Transcribed Image Text:Solution: 5 m 5 m a) Given data: The diameter of the cable is d = 0. 6 in %3D • The weight of the bar is w = 6000 lb b) Consider the triangle DAB, AB=/(5 m)² + (3 m)² =V34 Taking moment at about point C, E M.=0 5T + 10(T)=5(6000 lb) 3 V34 5T + 5. 144T=30000 lb T=2957. 13 lb T=2957.13 lb c) The expression to calculate the stress is given as, T A 2957.13 lb 7(0,6 in)? =10458. 72 psi
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