If ES = 3 EA , the stress in steel of a composite bar made of alumini – McqOptions

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1.	If ES = 3 EA , the stress in steel of a composite bar made of aluminium and steel strips each having a cross sectional area of 300 mm2 and subjected to an axial load of 12 kN
A.	10mpa
B.	20mpa
C.	30mpa
D.	40mpa
Answer» D. 40mpa

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