A punch having a diameter of 19 mm is used to punch a hole in a 6-mm plate. If a punch force of 125 kN is required, what is theaverage compressive stress in the punch?(A) 441 MPaB 493 MPa144 MPa349 MPa A cylindrical steel pressure vessel 400 mm in diameter with a wall thickness of 20 mm, is subjected to an internal pressure of 7.875MPa. To what value may the internal pressure be increased if the stress in the steel is limited to 100 MPa?)39.38 MPaB) 10.00 MPa)78.75 MPa)20.50 MPaD

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A punch having a diameter of 19 mm is used to punch a hole in a 6-mm plate. If a punch force of 125 kN is required, what is the average compressive stress in the punch? (A) 441 MPa B 493 MPa 144 MPa 349 MPa

A punch having a diameter of 19 mm is used to punch a hole in a 6-mm plate. If a punch force of 125 kN is required, what is the average compressive stress in the punch? (A) 441 MPa B 493 MPa 144 MPa 349 MPa

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

A punch having a diameter of 19 mm is used to punch a hole in a 6-mm plate. If a punch force of 125 kN is required, what is the
average compressive stress in the punch?
(A) 441 MPa
B 493 MPa
144 MPa
349 MPa

A cylindrical steel pressure vessel 400 mm in diameter with a wall thickness of 20 mm, is subjected to an internal pressure of 7.875
MPa. To what value may the internal pressure be increased if the stress in the steel is limited to 100 MPa?
)39.38 MPa
B) 10.00 MPa
)78.75 MPa
)20.50 MPa
D

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