Storm Water Pollution Prevention Interview Questions - 1 | Snaprecruit.com
Storm Water Pollution Prevention Interview Questions - 1 | Snaprecruit.com
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Storm Water Pollution Prevention interview questions part 1
Storm Water Pollution Prevention interview questions part 1
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Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. The BOD value of the domestic sewage is about__________
A. 160
B. 161
C. 166
D. 168
Show Correct Answer
Correct Answer is :
166
2. Non hazardous organic wastes from the sewage is to be separated from the___________
A. Toxic industrial wastes
B. Bacteria
C. Helminth
D. Protozoa
Show Correct Answer
Correct Answer is :
Toxic industrial wastes
3. Domestic water treatment is carried out under __________ conditions.
A. Aerobic
B. Anaerobic
C. Cannot be known
D. Depends on the pollution level of water
Show Correct Answer
Correct Answer is :
Aerobic
4. The BOD value of the industrial waste must be about _________
A. 100
B. 200
C. 300
D. 400
Show Correct Answer
Correct Answer is :
200
5. The BOD value of the food industry is about ___________
A. 742
B. 743
C. 744
D. 745
Show Correct Answer
Correct Answer is :
745
6. In domestic water treatment, after the primary treatment _________ is done.
A. Screening
B. Sedimentation
C. Aerobic process
D. Anaerobic process
Show Correct Answer
Correct Answer is :
Screening
7. In the domestic water process, when air is sent during the active sludge, then _________ released.
A. Oxygen
B. Carbondioxide
C. Nitrogen
D. Chlorine
Show Correct Answer
Correct Answer is :
Carbondioxide
8. In final step of the domestic water process, the effluent contain ___________ BOD.
A. 10ppm
B. 15ppm
C. 20ppm
D. 25ppm
Show Correct Answer
Correct Answer is :
25ppm
9. Aerobic process is also called as ___________
A. Activated sludge process
B. Sludge thickening process
C. Sedimentation
D. Screening
Show Correct Answer
Correct Answer is :
Activated sludge process
10. By aerobic process _________ of biodegradable water is converted into the biomass.
A. 0.1
B. 0.3
C. 0.5
D. 0.75
Show Correct Answer
Correct Answer is :
0.5
11. ___________ poisoning water in Japan is from fishes.
A. Bismuth
B. Arsenic
C. Antimony
D. Palladium
Show Correct Answer
Correct Answer is :
Arsenic
12. Fishes can store more quantity of ___________ in their bodies.
A. Mercury
B. Bismuth
C. Palladium
D. Chlorine
Show Correct Answer
Correct Answer is :
Mercury
13. Waste water released from _________ are not the sources of bacteria.
A. Sanitaria
B. Municipalities
C. Tanning
D. Industries
Show Correct Answer
Correct Answer is :
Industries
14. Bacteria and micro organisms present in the water will cause _________ in human and animals.
A. Indigestion
B. Intestinal tract
C. Brain tumour
D. Cancer
Show Correct Answer
Correct Answer is :
Intestinal tract
15. Infectious hepatitis is caused by ___________
A. Bacteria
B. Viruses
C. Protozoa
D. Helminth
Show Correct Answer
Correct Answer is :
Viruses
16. Amoebic dysentery is caused by ___________
A. Viruses
B. Bacteria
C. Helminth
D. Protozoa
Show Correct Answer
Correct Answer is :
Protozoa
17. Bacteria in water causes ________
A. Malaria
B. Typhoid
C. Dengue
D. Chicken guinea
Show Correct Answer
Correct Answer is :
Typhoid
18. Helminth in the water causes __________
A. Hook worm
B. Amoebic dysentery
C. Cholera
D. Typhoid
Show Correct Answer
Correct Answer is :
Hook worm
19. The ____________ is an important requirement of the aquatic life.
A. Dissolved nitrogen
B. Dissolved chlorine
C. Dissolved oxygen
D. Dissolved methane
Show Correct Answer
Correct Answer is :
Dissolved oxygen
20. The optimum value in natural water is ________
A. 2-4ppm
B. 4-7ppm
C. 4-6ppm
D. 2-7ppm
Show Correct Answer
Correct Answer is :
4-6ppm
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