For providing an Indian type W.C., the R.C.C. slabs in the toilet portion__________________?

Related Mcqs:

If the flame of a miner’s safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains_______________?

A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen...

15 cumecs, the depth d and width are related by For drains up to___________________?

A. d = 0.2 B B. d = 0.5 B C. B = 0.2 d D. B = 0.5 d...

If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is_____________________?

A. 50 ppm B. 100 ppm C. 150 ppm D. 200 ppm...

If the pH value of sewage is 7__________________?

A. It is acidic B. It is alkaline C. It is neutral D. None of these...

As compared to fresh river water, sea water contains oxygen_________________?

A. 10% less B. 20% less C. 10% more D. 20% more...