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MCQs

Total Questions : 188 | Page 4 of 19 pages
Question 31. Which of the following is a major constraint of SCFE?
  1.    Maintaining temperature of order 100° C
  2.    Channeling of fluid in extraction tank without contacting the solids
  3.    Maintenance of high pressure
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 32. Which of the following is the real extraction application of SCFE?
  1.    Cholesterol from egg
  2.    Nicotine from tobacco
  3.    Cholesterol from egg & Nicotine from tobacco
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Cholesterol from egg & Nicotine from tobacco
Answer: (c).Cholesterol from egg & Nicotine from tobacco
Question 33. Which of the following is NOT an important criteria for crystal formation?
  1.    Caking characteristics of the crystal
  2.    Moisture content
  3.    Shape
  4.    None of the mentioned
 Discuss Question
Answer: Option D. -> None of the mentioned
Answer: (d).None of the mentioned
Question 34. Which of the following is the actual reason why CO₂ is used in CSFE?
  1.    All of the mentioned
  2.    No serious health risks detected so far
  3.    Inexpensive and readily available in pure form
  4.    Inert, doesn’t react with solute
 Discuss Question
Answer: Option A. -> All of the mentioned
Answer: (a).All of the mentioned
Question 35. Celinium Sulphate is an exception of the solubility curve. When the temperature is increased, its solubility decreases.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 36. Which of the following is true about Centrifugal pumps?
  1.    It’s suitable for corrosive and toxic fluids
  2.    It has a high pressure head
  3.    Priming is not needed
  4.    None of the mentioned
 Discuss Question
Answer: Option D. -> None of the mentioned
Answer: (d).None of the mentioned
Question 37. Statement 1: Fans and blowers create pressure energy whereas compressors don’t.
Statement 2: In food processing various liquids like milk and juices are transported by pumps
  1.    True, False
  2.    True, True
  3.    False, False
  4.    False, True
 Discuss Question
Answer: Option D. -> False, True
Answer: (d).False, True
Question 38. Drain pipes are present to remove _____
  1.    Waste
  2.    Urea
  3.    Condensate
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Condensate
Answer: (c).Condensate
Question 39. Statement 1: Diaphragm pumps can handle corrosive material and do not have leakage problems, but, they only vibrate hence the output is low.
Statement 2: Diaphragm pump is an example of _____
  1.    True, negative displacement pump
  2.    True, positive displacement pump
  3.    False, negative displacement pump
  4.    False, positive displacement pump
 Discuss Question
Answer: Option B. -> True, positive displacement pump
Answer: (b).True, positive displacement pump
Question 40. Which of the following is true about Rotary pumps?
  1.    These consist of gear pumps which create high pressures
  2.    In internal gear pumps, a pinion gear is driven by a motor which is eccentric and the ring gear is co-axial and is driven by the pinion gear
  3.    In Spur gears, vacuum created allows liquid to flow from suction to delivery line
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned

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