A 20 m long steel rod is at a temperature of 20°C. The rod is heated so that temperature rises by 50°C. If rod is allowed to expand by 14 mm, what will be the stress induced in rod? Take E = 200 GPa and α = 12 × 10-6/°C. (a) 20 MPa (c) 68 MPa (b) 35 MPa (d) None of these
A 20 m long steel rod is at a temperature of 20°C. The rod is heated so that temperature rises by 50°C. If rod is allowed to expand by 14 mm, what will be the stress induced in rod? Take E = 200 GPa and α = 12 × 10-6/°C. (a) 20 MPa (c) 68 MPa (b) 35 MPa (d) None of these
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A 20 m long steel rod is at a temperature of 20°C. The rod is heated so that temperature rises
by 50°C. If rod is allowed to expand by 14 mm, what will be the stress induced in rod?
Take E = 200 GPa and a = 12 × 10-6/°C.
(a) 20 MPa
(c) 68 MPa
(b) 35 MPa
(d) None of these
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