Answer / kumar

20 mm

Answer / gajanan shelavale

10 mm & 20 mm

Answer / mayank jain

not metal, reinforcement

pcc not required


In rcc
in slab main 16mm transverse 8 mm
in column 12 mm min 4 no of bars in rectangular column
12 mm min 6 no of bars in rectangular column

Design a cantilever type retaining wall to retain sand for 4m above the ground. The sand fall slopes at the rate of 1 vertical to 2 horizontal. The weight of sand is 18000 N/m3, the angle of repose being 30. The safe bearing capacity of the soil is 200 kn/m2 at 1/25m below the ground level. Use m 15 concrete mix.

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what is a well

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