Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by whitelisting our website.

Civil Engineering Mcqs

For detecting the nitrates in sewage, the colour may be developed by adding________________?

For detecting the nitrates in sewage, the colour may be developed by adding________________?

A. Potassium permanganate
B. Sulphuric acid and napthamine
C. Phenol-di -sulphuric acid and potassium hydroxide
D. None of these

For detecting the nitrates in sewage, the colour may be developed by adding________________? Read More »

Civil Engineering Mcqs, Waste Water Engineering

The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is____________________?

The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is____________________?

A. 1.095
B. 1.085
C. 1.075
D. 1.065

The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is____________________? Read More »

Civil Engineering Mcqs, Waste Water Engineering

If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is____________________?

If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is____________________?

A. 200 ppm
B. 225 ppm
C. 250 ppm
D. None of these

If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is____________________? Read More »

Civil Engineering Mcqs, Waste Water Engineering