Correct answer
A. Both B. and C.
Explanation
The correct answer is Both B. and C..
One horsepower is equal to________?
In counter flow compared to parallel flow,?
Percentage of the heavy water in ordinary water is around ________?
Which of the following may be termed as a variable orifice flow-meter?
Ammonium chloride solution is stored/ treated in ________ vessels/pipes?
A sample of well water contains 140 gm/m3 Ca2+ ions and 345 gm/m3 Na+ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO3 in gm/m3 is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16)?