Question

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: (d).a will be in compression and b in tension

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Q. 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...

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