The axially loaded composite rod shown in Fig. 1.2 has a uniform cross – McqOptions

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1.	The axially loaded composite rod shown in Fig. 1.2 has a uniform cross- sectional area of 500 mm 2 . The modulii of elasticity are Est = 200 GPa, Eal = 70 GPa and Ecu = 120 GPa. The change in length of the composite rod is mm.
A.	0.95
B.	-0.95
C.	0.5
D.	-0.5
Answer» C. 0.5

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