Correct answer
A. All the above
Explanation
The correct answer is All the above.
Orthotolidine test is used for determination of________?
In detennining stresses in frames by methods of sections, the frame is divided into two parts by an imaginary section drawn in such a way as not to cut more than________?
What is another term for “unit method” for computing depletion?
3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is________?
When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are________?
Which of the following premix methods is used for base course?