The length, Young’s modulus, and coefficient of thermal expansion of – McqOptions

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1.	The length, Young’s modulus, and coefficient of thermal expansion of bar ‘A’ are twice that of bar ‘B’. What will be the ratio of stress developed in bar ‘A’ to that in ‘B’ if the temperature of both bars is increased by the same amount (both ends are constrained).
A.	2
B.	8
C.	4
D.	16
Answer» D. 16

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