Deareator MCQ

Test your knowledge with important Deareator MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Deareator MCQs at Bissoy

• Factors that lead to excess air in milk are?
  ক

  Gravity and temperature

  খ

  Temperature and atmospheric pressure

  গ

  Temperature and volume

  ঘ

  Volume and pressure
• What is the carbon dioxide content of commercial mixed raw milk?
  ক

  0.47%

  খ

  1.29%

  গ

  4.45%

  ঘ

  6.21%
• What is the nitrogen content of commercial mixed raw milk?
  ক

  0.47%

  খ

  1.29%

  গ

  4.45%

  ঘ

  6.21%
• What is the oxygen content of commercial mixed raw milk?
  ক

  0.47%

  খ

  1.29%

  গ

  4.45%

  ঘ

  6.21%
• Components of vacuum deaerator are? I) Deaerator II) Vacuum pump III) Pump unit
  ক

  I) only

  খ

  II) only

  গ

  III) only

  ঘ

  I), II) and III)
• Which of the deaerator have application in the dairy industry?
  ক

  Tray type

  খ

  Vacuum type

  গ

  Spray type

  ঘ

  Bubble type
• Solubility of gases decrease with ________ in solution temperature.
  ক

  Increase

  খ

  Decrease

  গ

  No change

  ঘ

  Increase and decrease
• Which law forms the basis of working of deaerator?
  ক

  James law

  খ

  Planck law

  গ

  Law of thermodynamic

  ঘ

  Henry law
• Efficiency of milk deaerator depends on which of the following factor?
  ক

  Fat content

  খ

  Nutrition

  গ

  Fat globule size

  ঘ

  Dispersion of air
• 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.
  ক

  Upper

  খ

  Lower

  গ

  Same

  ঘ

  Tilted
• 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
  ক

  I), II) and III)

  খ

  I) and II)

  গ

  I), II), III) and IV)

  ঘ

  I) only
• Aeration leads to ______ in volumetric measurement of milk.
  ক

  Precision

  খ

  Delay

  গ

  Consistency

  ঘ

  Inaccuracy
• Dispersed air in milk cause problems.
  ক

  True

  খ

  False
• Milk in udder contains what percentage of gases?
  ক

  4.5-6%

  খ

  7-8%

  গ

  4-5%

  ঘ

  >10%
• Aeration in milk doesn’t occur in which of the following states?
  ক

  Dispersed state

  খ

  Dissolved state

  গ

  Chemically bound state

  ঘ

  Crystal state