Interview question based on skill :
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Total Questions: 13
1. When two solutions of the different concentration is separated by the semi permeable membrane then the solvent flows from low to higher concentration is called osmosis.
Correct Answer is : TRUE
2. Which of the following method is not the method of desalination?
Correct Answer is : Smelting
3. The natural tendency of the water can be reversed by applying ________ to the salty water part.
Correct Answer is : High pressure
4. In reverse osmosis, the water flows from __________ concentration to ___________ concentration.
Correct Answer is : Low, high
5. The semi permeable membranes used in the reverse osmosis is _________
Correct Answer is : Cellulose acetate
6. By ultra filtration aldrin can be removed by _________
Correct Answer is : 0.99
7. __________ co polymer can remove the chlorinated pesticides.
Correct Answer is : Styrene di vinyl benzene
8. In reverse osmosis, the membrane pores are smaller in size about ___________
Correct Answer is : 0.04 to 600nm
9. COD values are always _________ BOD.
Correct Answer is : Higher than
10. COD can be determined in ___________
Correct Answer is : 3Hours
11. Increase in the BOD value in the water indicates ___________
Correct Answer is : Increase in pollution
12. The organic matter have the limit in water that is about __________
Correct Answer is : 0.2 to 1
13. In sewage the waste is about ___________
Correct Answer is : 0.05
