Interview question based on skill :
Take as many assements as you can to improve your validate your skill rating
Total Questions: 15
1. The quantity of water available for the actual use is _________
Correct Answer is : 0.005
2. __________ of water is struck in underground which is not accessibly.
Correct Answer is : 0.01
3. ___________ is the purest form of the water obtained by natural distillation.
Correct Answer is : Rain water
4. Lake water contains more __________ due to the biological oxidation of the organic matter.
Correct Answer is : Carbon dioxide
5. The colour and odour of the natural water is due to the presence of the ___________
Correct Answer is : Dissolved organic matter
6. Deep well water possess the rotten egg smell due to the dissolved ________
Correct Answer is : Hydrogen sulphide
7. Well water in wells located in the areas of oil and gases will contain __________
Correct Answer is : Methane
8. Surface water appears turbid due to presence of the __________ which remains suspended in the water.
Correct Answer is : Impurities
9. Which of the following is the suspended impurity?
Correct Answer is : Iron hydroxide
10. The suspended impurities is negligible due to the filtering action of __________
Correct Answer is : Soil
11. How many types of absorbed impurities in water are there mainly?
Correct Answer is : 4
12. In dissolved mineral salts, ___________ gets converted into the bicarbonates by the action of carbondioxide by water.
Correct Answer is : Carbonates of calcium and magnesium
13. ___________ water contains more soluble salts than the surface water.
Correct Answer is : Underground water
14. Amino acids comes under _________ impurity.
Correct Answer is : Colloidal impurity
15. Chemical composition of the lake water is _________
Correct Answer is : Constant
