Correct answer
B. All the above
Explanation
The correct answer is All the above.
If the pH value of sewage is 7________?
Skempton’s pore pressure coefficient B for saturated soil is________?
The digested sludge from septic tanks, is removed after a maximum period of________?
The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is________?
In a B.G. railway track, the specified ruling gradent is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible gradient of________?
Preliminary project report for a road project must contain________?