What force is required to punch a 20-mm diameter hole through a 10-mm thick plate? The ultimate strength of the plate material is450 MPa.(A) 386 KNB241 KN283 kN252 kND A steel wire 30 ft long, hanging vertically, supports a load of 500 lb. Neglecting the weight of the wire, determine the requireddiameter if the stress is not to exceed 20.0 ksi and the total elongation is not to exceed 0.20 in. Assume E = 29 x 106 psi.A)) 1.38 inch)1.98 inchC) 1.23 inchD) ) 2.13 inch

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What force is required to punch a 20-mm diameter hole through a 10-mm thick plate? The ultimate strength of the plate material is 450 MPa. (A) 386 KN B 241 KN 283 kN 252 kN D

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter6: Introduction To Mechanical Properties

Section: Chapter Questions

Problem 6.2DP

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Question

What force is required to punch a 20-mm diameter hole through a 10-mm thick plate? The ultimate strength of the plate material is
450 MPa.
(A) 386 KN
B
241 KN
283 kN
252 kN
D

A steel wire 30 ft long, hanging vertically, supports a load of 500 lb. Neglecting the weight of the wire, determine the required
diameter if the stress is not to exceed 20.0 ksi and the total elongation is not to exceed 0.20 in. Assume E = 29 x 106 psi.
A)) 1.38 inch
)1.98 inch
C) 1.23 inch
D) ) 2.13 inch

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