Storm Water Pollution Prevention Interview Questions - 1 | Snaprecruit.com

Storm Water Pollution Prevention Interview Questions - 1 | Snaprecruit.com

Storm Water Pollution Prevention interview questions part 1

Storm Water Pollution Prevention interview questions part 1

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Total Questions: 20

1. The BOD value of the domestic sewage is about__________

Correct Answer is : 166

2. Non hazardous organic wastes from the sewage is to be separated from the___________

Correct Answer is : Toxic industrial wastes

3. Domestic water treatment is carried out under __________ conditions.

Correct Answer is : Aerobic

4. The BOD value of the industrial waste must be about _________

Correct Answer is : 200

5. The BOD value of the food industry is about ___________

Correct Answer is : 745

6. In domestic water treatment, after the primary treatment _________ is done.

Correct Answer is : Screening

7. In the domestic water process, when air is sent during the active sludge, then _________ released.

Correct Answer is : Carbondioxide

8. In final step of the domestic water process, the effluent contain ___________ BOD.

Correct Answer is : 25ppm

9. Aerobic process is also called as ___________

Correct Answer is : Activated sludge process

10. By aerobic process _________ of biodegradable water is converted into the biomass.

Correct Answer is : 0.5

11. ___________ poisoning water in Japan is from fishes.

Correct Answer is : Arsenic

12. Fishes can store more quantity of ___________ in their bodies.

Correct Answer is : Mercury

13. Waste water released from _________ are not the sources of bacteria.

Correct Answer is : Industries

14. Bacteria and micro organisms present in the water will cause _________ in human and animals.

Correct Answer is : Intestinal tract

15. Infectious hepatitis is caused by ___________

Correct Answer is : Viruses

16. Amoebic dysentery is caused by ___________

Correct Answer is : Protozoa

17. Bacteria in water causes ________

Correct Answer is : Typhoid

18. Helminth in the water causes __________

Correct Answer is : Hook worm

19. The ____________ is an important requirement of the aquatic life.

Correct Answer is : Dissolved oxygen

20. The optimum value in natural water is ________

Correct Answer is : 4-6ppm

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