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MCQs

Total Questions : 270 | Page 6 of 27 pages
Question 51. Aeration in milk doesn’t occur in which of the following states?
  1.    Dispersed state
  2.    Dissolved state
  3.    Chemically bound state
  4.    Crystal state
 Discuss Question
Answer: Option D. -> Crystal state
Answer: (d).Crystal state
Question 52. Milk in udder contains what percentage of gases?
  1.    4.5-6%
  2.    7-8%
  3.    4-5%
  4.    >10%
 Discuss Question
Answer: Option A. -> 4.5-6%
Answer: (a).4.5-6%
Question 53. Dispersed air in milk cause problems.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 54. Aeration leads to ______ in volumetric measurement of milk.
  1.    Precision
  2.    Delay
  3.    Consistency
  4.    Inaccuracy
 Discuss Question
Answer: Option D. -> Inaccuracy
Answer: (d).Inaccuracy
Question 55. Which among the following are the problem associated with aeration in milk?
I) Incrustation of heating surfaces in pasteurizers (fouling)
II) Reduced skimming efficiency in separators
III) Loss of precision in automatic in-line standardization
IV) Inaccurate in-line fat standardization
  1.    I), II) and III)
  2.    I) and II)
  3.    I), II), III) and IV)
  4.    I) only
 Discuss Question
Answer: Option C. -> I), II), III) and IV)
Answer: (c).I), II), III) and IV)
Question 56. In order to make milk pass through air eliminator, the inlet of the cylindrical vessel must be located at a ______ level than the outlet pipe of the milk tank on the vehicle.
  1.    Upper
  2.    Lower
  3.    Same
  4.    Tilted
 Discuss Question
Answer: Option B. -> Lower
Answer: (b).Lower
Question 57. Efficiency of milk deaerator depends on which of the following factor?
  1.    Fat content
  2.    Nutrition
  3.    Fat globule size
  4.    Dispersion of air
 Discuss Question
Answer: Option D. -> Dispersion of air
Answer: (d).Dispersion of air
Question 58. Solubility of gases decrease with ________ in solution temperature.
  1.    Increase
  2.    Decrease
  3.    No change
  4.    Increase and decrease
 Discuss Question
Answer: Option A. -> Increase
Answer: (a).Increase
Question 59. Which law forms the basis of working of deaerator?
  1.    James law
  2.    Planck law
  3.    Law of thermodynamic
  4.    Henry law
 Discuss Question
Answer: Option D. -> Henry law
Answer: (d).Henry law
Question 60. Which of the deaerator have application in the dairy industry?
  1.    Tray type
  2.    Vacuum type
  3.    Spray type
  4.    Bubble type
 Discuss Question
Answer: Option B. -> Vacuum type
Answer: (b).Vacuum type

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