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A steel beam of length 5 m is heated to a temperature difference of 50 degrees. calculate a) stress developed in the beam when both ends are fixed and (b) change in length when one end is free to expand (a, =11.7×10/°C, E = 210 MPa). (A) (a)o =112.85 MPa (b) 8 =0.002925 m (В) (а)о %3D 225.7 MPa (b) 8 — 0.02925 m (C) (a)o =112.85 MPa (b) 8=2.925 m %3| (D) (a)o =112.85 MPa (b) 8 =0.002925 mm %3D

A steel beam of length 5 m is heated to a temperature difference of 50 degrees. calculate a) stress developed in the beam when both ends are fixed and (b) change in length when one end is free to expand (a, =11.7×10/°C, E = 210 MPa). (A) (a)o =112.85 MPa (b) 8 =0.002925 m (В) (а)о %3D 225.7 MPa (b) 8 — 0.02925 m (C) (a)o =112.85 MPa (b) 8=2.925 m %3| (D) (a)o =112.85 MPa (b) 8 =0.002925 mm %3D

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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A steel beam of length 5 m is heated to a temperature difference of 50 degrees. calculate (a) stress developed in the beam when both ends are fixed and (b) change in length when one end is free to expand (a, =11.7x10 /°C, E = 210 MPa). (A) (a)o=112.85 MPa (b) 8 = 0.002925 m (В) (а)o — 225.7 MPа (b) 8-0.02925 m (C) (a)o =112.85 MPa (b) 8 = 2.925 m (D) (a)o =112.85 MPa (b) d = 0.002925 mm ||
Transcribed Image Text:A steel beam of length 5 m is heated to a temperature difference of 50 degrees. calculate (a) stress developed in the beam when both ends are fixed and (b) change in length when one end is free to expand (a, =11.7x10 /°C, E = 210 MPa). (A) (a)o=112.85 MPa (b) 8 = 0.002925 m (В) (а)o — 225.7 MPа (b) 8-0.02925 m (C) (a)o =112.85 MPa (b) 8 = 2.925 m (D) (a)o =112.85 MPa (b) d = 0.002925 mm ||
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