Biochemical Engineering - Water Treatment

Exercise :: Water Treatment - Section 1

  • Water Treatment - Section 1
16. 

Which of the following physical method is used as germicidal in modern time for the treatment of drinking water?

A. Chlorination
B. Treating with potassium permagnate
C. UV radiation
D. Treating with bleaching powder

Answer: Option C

Explanation:

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17. 

Sanitizer used specifically for vitreous enamel are

A. strong alkalis
B. strong acids
C. weak alkali with sodium silicate
D. none of these

Answer: Option C

Explanation:

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18. 

The common methods used for disinfection in waste water treatment plants are

A. chlorination
B. UV light
C. both (a) and (b)
D. Phenolic solvent

Answer: Option C

Explanation:

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19. 

Inhibitors are used along with sanitizer to

A. improve their action
B. to prevent corrosion
C. both (a) and (b)
D. none of these

Answer: Option B

Explanation:

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20. 

Sanitizers used for rubber made equipments are

A. strong acids
B. strong alkalis
C. combination of both
D. none of these

Answer: Option B

Explanation:

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