A post tensioned concrete beam of rectangular section 200mm wide and 3 – McqOptions

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1.	A post tensioned concrete beam of rectangular section 200mm wide and 300mm deep is stressed by a parabolic cable with eccentricity 50mm at centre of span, area is 3 10⁴mm², initial stress is 1200n/mm² Find the stress in concrete at the level of steel?
A.	10n/mm<sup>2</sup>
B.	15n/mm<sup>2</sup>
C.	6n/mm<sup>2</sup>
D.	8n/mm<sup>2</sup>
Answer» E.

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