To test chemical oxygen demand (C.O.D.) of sewage, o... - Solved MCQs & Answer

504Civil EngineeringMedium

To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of________?

ANitric acid

BSulphuric acid

CHydrochloric acid

DCitric acid

Correct answer

B. Sulphuric acid

Explanation

The correct answer is Sulphuric acid.

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

The total length of a cranked bar through a distance D. at 45° in case of a beam of effective length L, is________?

Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds________?