Drying rate curve is plot between _ and _

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Statement 1: Removing of moisture content for grains in the food industry follows the thin layer model of drying bed. Statement 2: The model for removing moisture from grains is computerized to find out the exact amount of time of exposure of grains for the removal of moisture.

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Although microwave heating can be used for drying of food containing uneven water content, it is isn’t done for certain food products like garlic. Why?

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Statement 1: Difference between 1-1 and 1-2 heat exchanger is that 1-2 has both counter AND co current, whereas 1-1 has only co-current. Statement 2: 1-2 heat exchanger requires a high pressure drop.

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Statement 1: Plate heat exchangers are used in heat sensitive foods like milk. Statement 2: Principle behind plate heat exchangers is that there is very less space between the plates and hence quick heating can take place.

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A phase boundary between alcohol and water exists.

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The existence of a thick constant film between two phases is a proposal by which of the following theories?

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Statement 1: Concentration is a product of diffusivity and solubility. Statement 2: Permeability coefficient in case of food packaging can be written as product of partial pressure and solubility using Henry’s law.

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