Correct answer
A. Ortho-phosphoric acid
Explanation
The correct answer is Ortho-phosphoric acid.
Hydraulic mean depth (Dm) for a circular pipe of diameter ‘D’ flowing full is 0.25 D. For a circular channel, at Dm = 0.3 D, gives the condition for the maximum?
Bernoulli’s equation describes the ________?
Biological oxidation ponds remove organic matters present in the polluted water by ________?
Mass transfer rate between two fluid phases does not necessarily depend on the ________ of the two phases?
Solutions having the same osmotic pressure are called ________ solutions?
A Catalyst ________?