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MCQs

Total Questions : 368 | Page 4 of 37 pages
Question 31. In a reaction the feed is 10 moles of 0.1 glucose and 0.9 water, and another feed of 5 moles of 0.2 glucose and 0.8 water, what is the total moles of product?
  1.    5
  2.    10
  3.    15
  4.    20
 Discuss Question
Answer: Option C. -> 15
Answer: (c).15
Question 32. Enthalpy of a stream is which function of temperature and pressure?
  1.    Explicit
  2.    Implicit
  3.    Cannot say
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Explicit
Answer: (a).Explicit
Question 33. In a reaction the feed is 10 moles of 0.1 glucose and 0.9 water, and another feed of 5 moles of 0.4 glucose and 0.6 water, what is the fraction of glucose in the products?
  1.    0.2
  2.    0.4
  3.    0.6
  4.    0.8
 Discuss Question
Answer: Option A. -> 0.2
Answer: (a).0.2
Question 34. In a reaction the feed is 10 moles of 0.1 glucose and 0.9 water, and another feed of 5 moles of 0.4 glucose and 0.6 water, what is the fraction of water in the products?
  1.    0.2
  2.    0.4
  3.    0.6
  4.    0.8
 Discuss Question
Answer: Option D. -> 0.8
Answer: (d).0.8
Question 35. In a reaction the feed is 5 moles of 0.5 glucose and 0.5 sucrose, and another feed of 15 moles of 0.3 glucose and 0.7 sucrose, what is the fraction of glucose in the products?
  1.    0.35
  2.    0.45
  3.    0.75
  4.    0.95
 Discuss Question
Answer: Option A. -> 0.35
Answer: (a).0.35
Question 36. What is the energy balance of closed system?
  1.    Matter in the system is constant
  2.    Energy in the system is constant
  3.    Neither energy nor matter is constant
  4.    Both of energy and matter are constant
 Discuss Question
Answer: Option A. -> Matter in the system is constant
Answer: (a).Matter in the system is constant
Question 37. What is the heat transferred to the system, if change in enthalpy is 25 J and change in pressure is 5 Pa at volume 3 m³?
  1.    5 J
  2.    10 J
  3.    15 J
  4.    20 J
 Discuss Question
Answer: Option B. -> 10 J
Answer: (b).10 J
Question 38. What is the heat transferred to the system, if change in internal energy is 10 J?
  1.    0
  2.    -10 J
  3.    10 J
  4.    Cannot be determined
 Discuss Question
Answer: Option C. -> 10 J
Answer: (c).10 J
Question 39. What is the heat transferred to the system, if change in enthalpy is 15 J and change in volume is 2 m³ at 5 Pa?
  1.    5 J
  2.    8 J
  3.    10 J
  4.    12 J
 Discuss Question
Answer: Option A. -> 5 J
Answer: (a).5 J
Question 40. What is the heat transferred to the system, if change in enthalpy is 30 J and pressure, volume changed from 8 Pa, 5 m³ to 4 Pa, 12 m³?
  1.    12 J
  2.    15 J
  3.    18 J
  4.    22 J
 Discuss Question
Answer: Option D. -> 22 J
Answer: (d).22 J

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