A) less than the coefficient of linear expansion
B) twice the coefficient of linear expansion
C) equal to the coefficient of linear expansion
D) thrice the coefficient of linear expansion
Correct Answer: D
Solution :
The relation among coefficient of linear expression\[\alpha ,\]coefficient of superficial expansion\[\beta \]and coefficient of volume expansion is shon belong \[\beta =2\alpha \]and \[\gamma =3\alpha \] \[\alpha :\beta :\gamma =1:2:3\]
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