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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
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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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
Transcribed Image Text: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
Transcribed Image Text: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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