A pretensioned prestressed concrete beam of rectangular section is req – McqOptions

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1.	A pretensioned prestressed concrete beam of rectangular section is required to support a design ultimate moment of 100knm. Design the section if fck is 50n/mm2 and fp 1600n/mm2, xu/d is 0.5?
A.	300
B.	500
C.	600
D.	200
Answer» B. 500

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