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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Q. Advantage of turbo dryer over cabinet tray dryer is _____

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Q. Hannah ordered one ton of mushrooms. But, the entire lot was brown. Which dryer could it possibly have been?

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Q. Statement 1: Which tray dryer has indirect heating?
Statement 2: Which tray dryer is good for making powders?

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Q. Which of the following dryers requires non-sticky granular feed?

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Q. After incipient fluidization, the pressure briefly _____

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Q. Statement 1: Vibro-fluidized bed dryer can reduce the air flow rate consumptions as air is only used for drying and not for fluidizing.
Statement 2: _____ are often called desolventizers.

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