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15m 20 MFa 1. If the maximum bending stress in the shown beam is (Omax=20 MPa),the normal stress at point B is----- а)23.56 МРа d)none of the previous choices 250mm 15 mm b) Zero c)17.86 MPa 15 mm 200 m 2.If we have two beams (the cross-section of the first beam has dimensions of b=250*h3D650mm, while the cross-section of the second beam has dimensions of b=250*h=400mm). Determine which one will support a moment of 20 kN.m if the allowable stress 2 MPa. a) 250*650 mm b) 250*400 mm c) option a & b d) none of the previous choices

15m 20 MFa 1. If the maximum bending stress in the shown beam is (Omax=20 MPa),the normal stress at point B is----- а)23.56 МРа d)none of the previous choices 250mm 15 mm b) Zero c)17.86 MPa 15 mm 200 m 2.If we have two beams (the cross-section of the first beam has dimensions of b=250*h3D650mm, while the cross-section of the second beam has dimensions of b=250*h=400mm). Determine which one will support a moment of 20 kN.m if the allowable stress 2 MPa. a) 250*650 mm b) 250*400 mm c) option a & b d) none of the previous choices

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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15mm 20 MFa 1. If the maximum bending stress in the shown beam is (Omax-20 MPa),the normal stress at point B is----------- 250 mm 15 mm a)23.56 d)none of the previous choices MPа b) Zero c)17.86 MPa 15 mm 200 mm 2.If we have two beams (the cross-section of the first beam has dimensions of b=250*h=650mm, while the cross-section of the second beam has dimensions of b=250*h=400mm). Determine which one will support a moment of 20 kN.m if the allowable stress =2 MPa. a) 250*650 mm b) 250*400 mm c) option a & b d) none of the previous choices
Transcribed Image Text:15mm 20 MFa 1. If the maximum bending stress in the shown beam is (Omax-20 MPa),the normal stress at point B is----------- 250 mm 15 mm a)23.56 d)none of the previous choices MPа b) Zero c)17.86 MPa 15 mm 200 mm 2.If we have two beams (the cross-section of the first beam has dimensions of b=250*h=650mm, while the cross-section of the second beam has dimensions of b=250*h=400mm). Determine which one will support a moment of 20 kN.m if the allowable stress =2 MPa. a) 250*650 mm b) 250*400 mm c) option a & b d) none of the previous choices
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