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Q. |
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 mmapart |
B. | Overall depth and width of the steel section do not exceed 750 and 450 mmrespectively |
C. | Beam is solidly encased in concrete with 10 mm aggregate having 28 days strength 160kg/cm2 |
D. | All the above |
Answer» D. All the above |
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