A steel tube (E = 200 GPa) has an internal diameter of 40 mm thickness – McqOptions

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1.	A steel tube (E = 200 GPa) has an internal diameter of 40 mm thickness 10 mm and a length of 2 m. If it is subjected to an axial pull of 80 kN, the stress in the tube will be__ _MPa.
A.	28.3
B.	50.13
C.	84.88
D.	113.18
Answer» C. 84.88

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