Calculate the stress of pretensioned beams assuming as propped during – McqOptions

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1.	Calculate the stress of pretensioned beams assuming as propped during the casting of the slab if Zt is 225×10, Zb is 128x104mm3 and moment due to self weight is 1200nmm?
A.	12.3 and 4.5
B.	0.53 and 0.94
C.	0.23 and 0.45
D.	1.23 and 0.67
Answer» C. 0.23 and 0.45

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