IndiaBIX

Biochemical Engineering - Water Treatment

Exercise : Water Treatment - Section 1
  • Water Treatment - Section 1
36.
The activated sludge process is sometime referred as
fluid bed biological oxidation system
fixed bed biological oxidation system
turning bed biological oxidation system
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
BOD stands for
biochemical oxygen demand
british oxygen demand
british oxygen depletion
biological oxygen depletion
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
When temporary hard water is boiled, one of the substances formed is
calcium bicarbonate
calcium sulfate
hydrogen chloride
carbon dioxide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Zeolite softening process removes both temporary and permanent hardness of water. In this process the calcium and magnesium present in water are precipitated as
insoluble carbonates
insoluble zeolites
insoluble chlorides
insoluble sulfates
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The methods used for biological treatment are
lagoon
activated sludge process
oxidation ditches
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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