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WorksheetsDrying and Dehydration
Total questions: 10
Worksheet time: 5mins
Water activity of 1.0 indicates pure water whereas zero indicates the total absence of water molecules
True
False
Frying is a method of drying food.
True
False
The removal of water is carried out by the application of heat and this heat is usually supplied in the form of solar energy or artificially generated hot air.
True
False
The water activity (aw) value of a food product refers to the moisture content of that food product
True
False
Moisture content represents the total water molecules present in the food material
True
False
Water activity includes the bound water and free water
True
False
Evaporation is the oldest and simplest way of water removal
True
False
Artificial drying refers to the use of drying equipment heated by gas, electricity or steam
True
False
Drying is removal of water to an almost bone dry condition
True
False
During drying process, covering the food with glass or a transparent plastic material can lengthen drying time
True
False
