IndiaBIX

Biochemical Engineering - Water Treatment

Exercise : Water Treatment - Section 1
  • Water Treatment - Section 1
1.
The maximum desirable limit Bureau of Indian Standards (BIS) of lead in the drinking water is
0.05 mg/l
0.09 mg/l
0.1 mg/l
1.0 mg/l
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Zeolite softening process removes
only temporary hardness of water
only permanent hardness of water
both temporary and permanent hardness of water
the dissolved gases in permanent hard water
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Conventional tertiary treatment is
chemical coagulation and flocculation
filtration
sedimentation
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The maximum desirable limit (BIS) of total hardness (as CaCo3) in drinking water is
600 ppm
300 ppm
500 ppm
1000 ppm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The chemical oxygen demand (COD)measures the
amount of oxygen required for growth of microorganisms in water
amount of oxygen that would be removed from the water in order to oxidize pollution
amount of oxygen required to oxidize the calcium present in waste water
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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