A composite bar having two sections of cross-sectional area 100mm2 and – McqOptions

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1.	A composite bar having two sections of cross-sectional area 100mm2 and 200mm2 respectively. The length of both the sections is 100mm. What will be the total elongation of bar if it is subjected to axial force of 100kN and E = 105 N/mm2?
A.	1.0
B.	1.25
C.	1.5
D.	2.0
Answer» D.

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