Q. Aeration leads to ______ in volumetric measurement of milk.

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Q. 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

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Q. 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.

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Q. Efficiency of milk deaerator depends on which of the following factor?

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Q. Which law forms the basis of working of deaerator?

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Q. Solubility of gases decrease with ________ in solution temperature.

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Q. Which of the deaerator have application in the dairy industry?

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Q. Components of vacuum deaerator are?
I) Deaerator

II) Vacuum pump

III) Pump unit

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Q. What is the oxygen content of commercial mixed raw milk?

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Q. What is the nitrogen content of commercial mixed raw milk?

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Q. What is the carbon dioxide content of commercial mixed raw milk?

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Q. Factors that lead to excess air in milk are?

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Q. Which of the following centrifugal pumps has higher specific speed than the others?

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Q. Pump transfers the mechanical energy of a motor or of an engine into _________ of a fluid.

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Q. Which of the following is NOT a type of positive displacement pumps?

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Q. Rotary displacement pumps are suitable for handling ________

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Q. Which of the following is/are not example/s of rotary displacement pumps?

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Q. ___________ pump is also called as velocity pump.

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Q. Discharge capacity of the reciprocating pump is __________ that of the centrifugal pump.

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Q. Which pump is more suitable for an application where very high pressure is required to be developed at moderate discharge?

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