A pre-tensioned concrete member of section 200 mm 250 mm contains tendons of area 500 mm2 at the centre of gravity of the section. The pre-stress in tendons is 1000 N/mm2. Assuming modular ratio as 10, the stress (N/mm2) in concrete is

A pre-tensioned concrete member of section 200 mm 250 mm contains te

1.	A pre-tensioned concrete member of section 200 mm 250 mm contains tendons of area 500 mm2 at the centre of gravity of the section. The pre-stress in tendons is 1000 N/mm2. Assuming modular ratio as 10, the stress (N/mm2) in concrete is
A.	11
B.	9
C.	7
D.	5
Answer» C. 7

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A pre-tensioned concrete member of section 200 mm 250 mm contains tendons of area 500 mm2 at the centre of gravity of the section. The pre-stress in tendons is 1000 N/mm2. Assuming modular ratio as 10, the stress (N/mm2) in concrete is

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