The concrete slump recommended for beams and slabs; is
A. 25 to 50 mm
B. 25 to 75 mm
C. 30 to 125 mm
D. 50 to 100 mm
Answer: Option C
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Its 20 to 100 mm .
As per is 456-2000 recommend value of slump for columns beams slabs are 50- 100
beam and column slump 50-100 mm
I think 50mm to 100mm was the correct answer