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MCQs

Total Questions : 270 | Page 23 of 27 pages
Question 221. Evaporators in the dairy industry don’t concentrate which of the following?
  1.    Whole and skimmed milk
  2.    Whey
  3.    Condensed milk
  4.    Cheese
 Discuss Question
Answer: Option D. -> Cheese
Answer: (d).Cheese
Question 222. __________ is the total mass of water vaporized per unit mass of steam input to the evaporator.
  1.    Efficiency of evaporator
  2.    Economy of evaporator
  3.    Rate of evaporator
  4.    Capacity of evaporator
 Discuss Question
Answer: Option B. -> Economy of evaporator
Answer: (b).Economy of evaporator
Question 223. Ratio of capacity to economy is known as ________
  1.    Water consumption per hour
  2.    Steam consumption per hour
  3.    Sediment consumption per hour
  4.    Milk consumption per hour
 Discuss Question
Answer: Option B. -> Steam consumption per hour
Answer: (b).Steam consumption per hour
Question 224. ________ Rule is often used to compare a pure liquid and a solution at a given concentration.
  1.    Duhring’s rule
  2.    Plank rule
  3.    Friction rule
  4.    Doppler rule
 Discuss Question
Answer: Option A. -> Duhring’s rule
Answer: (a).Duhring’s rule
Question 225. Single effect evaporation is simple and steam effective.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 226. What is the oxygen content of commercial mixed raw milk?
  1.    0.47%
  2.    1.29%
  3.    4.45%
  4.    6.21%
 Discuss Question
Answer: Option A. -> 0.47%
Answer: (a).0.47%
Question 227. Components of vacuum deaerator are?
I) Deaerator
II) Vacuum pump
III) Pump unit
  1.    I) only
  2.    II) only
  3.    III) only
  4.    I), II) and III)
 Discuss Question
Answer: Option D. -> I), II) and III)
Answer: (d).I), II) and III)
Question 228. What is the nitrogen content of commercial mixed raw milk?
  1.    0.47%
  2.    1.29%
  3.    4.45%
  4.    6.21%
 Discuss Question
Answer: Option B. -> 1.29%
Answer: (b).1.29%
Question 229. Factors that lead to excess air in milk are?
  1.    Gravity and temperature
  2.    Temperature and atmospheric pressure
  3.    Temperature and volume
  4.    Volume and pressure
 Discuss Question
Answer: Option B. -> Temperature and atmospheric pressure
Answer: (b).Temperature and atmospheric pressure
Question 230. What is the carbon dioxide content of commercial mixed raw milk?
  1.    0.47%
  2.    1.29%
  3.    4.45%
  4.    6.21%
 Discuss Question
Answer: Option C. -> 4.45%
Answer: (c).4.45%

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