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MCQs

Total Questions : 270 | Page 4 of 27 pages
Question 31. Pore size Micro-filtration membrane ranges from _________
  1.    0.1- 5µm
  2.    0.1- 0.01µm
  3.    0.001- 0.01µm
  4.    0.0001- 0.001µm
 Discuss Question
Answer: Option A. -> 0.1- 5µm
Answer: (a).0.1- 5µm
Question 32. Pore size Nano-filtration membrane ranges from __________
  1.    0.1- 5µm
  2.    0.1- 0.01µm
  3.    0.001- 0.01µm
  4.    0.0001- 0.001µm
 Discuss Question
Answer: Option C. -> 0.001- 0.01µm
Answer: (c).0.001- 0.01µm
Question 33. Pore size Ultra-filtration membrane ranges from ________
  1.    0.1- 5µm
  2.    0.1- 0.01µm
  3.    0.001- 0.01µm
  4.    0.0001- 0.001µm
 Discuss Question
Answer: Option B. -> 0.1- 0.01µm
Answer: (b).0.1- 0.01µm
Question 34. The solution to be concentrated or fractionated is called?
  1.    Feed
  2.    Flux
  3.    Membrane fouling
  4.    Permeate
 Discuss Question
Answer: Option A. -> Feed
Answer: (a).Feed
Question 35. Pore size RO membrane ranges from _____________
  1.    0.1- 5µm
  2.    0.1- 0.01µm
  3.    0.001- 0.01µm
  4.    0.0001- 0.001µm
 Discuss Question
Answer: Option C. -> 0.001- 0.01µm
Answer: (c).0.001- 0.01µm
Question 36. Which of the following membrane separation technique would be most suitable for partial desalination of whey in dairy industry?
  1.    Reverse osmosis
  2.    Nano filtration
  3.    Ultra filtration
  4.    Membrane filtration
 Discuss Question
Answer: Option B. -> Nano filtration
Answer: (b).Nano filtration
Question 37. Which of the following membrane separation technique would be most suitable for the reduction of bacteria in skim milk?
  1.    Reverse osmosis
  2.    Nano filtration
  3.    Ultra filtration
  4.    Membrane filtration
 Discuss Question
Answer: Option D. -> Membrane filtration
Answer: (d).Membrane filtration
Question 38. Which of the following membrane separation technique would be most suitable for the concentration of milk proteins in dairy industry?
  1.    Reverse osmosis
  2.    Nano filtration
  3.    Ultra filtration
  4.    Membrane filtration
 Discuss Question
Answer: Option C. -> Ultra filtration
Answer: (c).Ultra filtration
Question 39. The separation limit for a membrane is determined by the lowest ___________ that can be separated.
  1.    Fractional weight
  2.    Molecular weight
  3.    Ion weight
  4.    Mass
 Discuss Question
Answer: Option B. -> Molecular weight
Answer: (b).Molecular weight
Question 40. What is the Processing temperature in membrane filtration applications?
  1.    15℃
  2.    25℃
  3.    65℃
  4.    50℃
 Discuss Question
Answer: Option D. -> 50℃
Answer: (d).50℃

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