Question:-
A steel rod of length 300 mm is held between two fixed supports so that the rod cannot elongate or contract in the axial direction. If the temperature of the rod is raised by 20°C, the axial stress induced in the rod to this rise in temperature is (for steel, E = 200 GPa and a = 11.5 x 10-6/°C)
Option (A)
46 MPa tension
Option (B)
46 MPa compression
Option(C)
23 MPa tension
Option(D)
23 MPa compression
Correct Option:
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question-answer-faq-1873