Q:

A bar having two sections of cross sectional area of 100mm² and 200mm² respectively. The length of both the sections is 200mm. What will be the total strain in the bar if it is subjected to axial force of 100kN and E = 105 N/mm²?

A) 0.010 B) 0.015
C) 0.020 D) 0.030
 

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