A beam may be designed as a cased beam if – McqOptions

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1.	A beam may be designed as a cased beam if
A.	Section is of double open channel form with the webs not less than 40 mm apart
B.	Overall depth and width of the steel section do not exceed 750 and 450 mm respectively
C.	Beam is solidly encased in concrete with 10 mm aggregate having 28 days strength 160 kg/cm2 (D) All the ab
D.	All the above
Answer» E.

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