Engineering :: Strength Of Materials

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A spring steel ribbon 3.2 mm wide, 0.5 mm thick is wound on a 500 mm diameter cylinder. If E = 2 x 105 N/mm2, the maximum stress in the steel will be

[A].	100 N/mm2	[B].	200 N/mm2
[C].	400 N/mm2	[D].	800 N/mm2

Answer: Option B