Q. Concentration is different than drying.

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Q. Which of the following is not the reason for the concentration of food liquids?

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Q. Evaporation in dairy industry is a preliminary step to which of the following process?

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Q. Evaporation in dairy industry is done under __________

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Q. Which evaporators can be used when a low degree of concentration is required?

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Q. The evaporator in which the material to be evaporated boils outside the horizontal tube and steam condenses inside the tubes is called ________

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Q. Evaporator which promotes natural circulation is?

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Q. Evaporators in which pumps are used to force the evaporating liquid through the tubes are called?

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Q. Name of the evaporator which consists of one pass vertical shell and tube heat exchanger discharging the product to be evaporated into a relatively small vapor head?

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Q. The deflector used in long tube vertical evaporator can be used as?

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Q. Which of the following is the disadvantage of climbing film evaporator?

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Q. As the film rises further evaporation occurs until they reach the top of the tubes. The mixture of vapor and milk then passes into a separate chamber from which the vapor passes to a condenser. Name the evaporator.

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Q. Which of the following is not the advantage of falling film evaporator?

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Q. Great economies of operation may be made in large installations with ___________

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Q. Device used to improve thermal efficiency of an evaporator is called?

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Q. Evaporators in the dairy industry don’t concentrate which of the following?

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Q. Ratio of capacity to economy is known as ________

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Q. __________ is the total mass of water vaporized per unit mass of steam input to the evaporator.

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Q. Single effect evaporation is simple and steam effective.

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Q. ________ Rule is often used to compare a pure liquid and a solution at a given concentration.

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