Sponsor Area
Environmental Issues
Question
In the scrubber in the electrostatic precipitator the gases are passed through : - filter
- lime
- spray of water
- both 2 and 3
Solution
D.
both 2 and 3
Question
Ozone depletion will cause :
-
Forest fire
-
Pneumonia
-
Increased incidence of skin cancer
-
None of these
Solution
C.
Increased incidence of skin cancerQuestion
The meaning of BOD is : - Bacterial oxygen demand
- Biological optimum density
- Biochemical oxygen demand
- Bioorganisation decay
Solution
C.
Biochemical oxygen demandQuestion
Which of the following pollutants is not produced by exhaust of motor vehicles ? - CO
- Hydrocarbon
- Fly-ash
- NO
Solution
C.
Fly-ashSponsor Area
Mock Test Series
Mock Test Series