Correct answer
B. (i), (ii) and (iii) are correct
Explanation
The correct answer is (i), (ii) and (iii) are correct.
Assertion A.: The determination of pH value of sewerage is important. Reason (R): The efficiency of certain treatment methods depends upon the availability of pH value________?
Physical properties of a permeant which influence permeability are________?
With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on________?
In long and short wall method of estimation, the length of long wall is the centre to centre distance between the walls and________?
For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of________?
The sludge does not contain waste water from________?