Correct answer
D. more than 4000
Explanation
The correct answer is more than 4000.
Sludge volume index is defined as the ratio of________?
As per Indian Standard Specifications, the peak discharge for domestic purposes per capita per minute, is taken________?
The time with which direct cost does not reduce with the increase in time is known as________?
Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain?
The internal pressure coefficient on walls for buildings with large permeability is taken as________?
The height of the rail for 52 kg rail section is________?