Q. Statement 1: In film theory, mass transfer coefficient is proportional to D¹/².

Statement 2: Penetration theory states that all elements are exposed at the same time which is unrealistic.

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Q. Which theory proposes that the film is continuously getting renewed and replaced by the bulk liquid?

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Q. Statement 1: KLa is measured together and not separately.

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Q. Which of the following is not a measuring technique of KLa?

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Q. Which of the following is also called Oxygen balancing method?

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Q. Sherwood number is _____

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Q. Rayleigh number is _____

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Q. Statement 1: Drying is used for preservation of food.
Statement 2: Convective drying is indirect drying and conductive drying is direct drying.

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Q. On wet basis, the denominator stays constant whereas in moisture content on dry basis, the denominator changes.

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Q. Moisture on dry basis cannot be more than a hundred percentage.

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Q. The EMC-RH data is fitted to Henderson’s equation. Which of the following is true about the relative humidity with respect to food technology terminology?

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Q. Drying rate curve is plot between _____ and _____

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Q. The point where the constant drying period changes to falling rate period is called _____

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Q. Which of the following denotes gas phase mass transfer coefficient?

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Q. 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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Q. What does the thin layer model of drying beds in drying of grains depend on?

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Q. Cabinet tray dryers are not very effective as they do not completely strip off the moisture content from the food item. Hence, they need to be combined with another dryer for effective results.

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Q. Statement 1: Cabinet tray dryers are used for storing grains.
Statement 2: Cabinet tray dryers are used for low cost foods.

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Q. Tunnel dryer is only a continuous version of a cabinet tray dryer.

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Q. Statement 1: Cabinet tray dyers can be used for heat sensitive materials.
Statement 2: Bin dryer is used for materials which follow the falling rate drying curve.

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