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1. |
A composite member shown in below figure was formed at 25°C and was made of two materials a and b. If the coefficient of thermal expansion of a is more than that of b and the composite member is heated upto 45°C, then |
A. | a will be in tension and b in compression |
B. | both will be in compression |
C. | both will be in tension |
D. | a will be in compression and b in tension. |
Answer» E. | |