Advanced Wastewater Treatment Methods(Engineering > Waste Water Engineering ) Questions and Answers

Question 1. Ultrafiltration is different from membrane filtration.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False

Question 2. Which of the following is a tertiary filtration?
  1.    Coagulation
  2.    Sand filtration
  3.    Flocculation
  4.    Sedimentation
Explanation:-
Answer: Option B. -> Sand filtration
Answer: (b).Sand filtration

Question 3. __________ is used for ultrafiltration.
  1.    Permeable membrane
  2.    Highly permeable membrane
  3.    Semi-permeable membrane
  4.    Non-permeable membrane
Explanation:-
Answer: Option C. -> Semi-permeable membrane
Answer: (c).Semi-permeable membrane

Question 4. High molecular weight solutes pass through the membrane.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False

Question 5. Which of the following factors are considered in ultrafiltration?
  1.    Size
  2.    Colour
  3.    Taste
  4.    Smell
Explanation:-
Answer: Option A. -> Size
Answer: (a).Size

Question 6. Physical adsorption is also called as _________
  1.    Adsorption
  2.    Absorption
  3.    Physisorption
  4.    Sorption
Explanation:-
Answer: Option C. -> Physisorption
Answer: (c).Physisorption

Question 7. Activated carbon removes microbial contaminants effectively.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False

Question 8. Chemical adsorption is also called as _____
  1.    Sorption
  2.    Chemisorption
  3.    Chemiption
  4.    Chemical sorption
Explanation:-
Answer: Option B. -> Chemisorption
Answer: (b).Chemisorption

Question 9. The filter once installed need not to be replaced in activated carbon filtration.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False

Question 10. Physical adsorption ________ with increase in temperature.
  1.    Decreases
  2.    Increases
  3.    Remains same
  4.    Fluctuates
Explanation:-
Answer: Option A. -> Decreases
Answer: (a).Decreases