Electromagnetic waves from a power source magnetron are absorbed by the food and food becomes hot at once.
Practical hints in using a microwave oven for cooking
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Some examples of cooking by dry heat methods
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In this either air or fat is used as the medium of cooking.
Method, Advantages and Disadvantages of Pressure Cooking
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A relatively small increase in temperature can drastically reduce cooking time and this fact is utilized in pressure cookers. In pressure cooking, escaping steam is trapped and kept under pressure so that the temperature of the boiling water and steam can be raised above 100°C and reduce cooking time.
5 basic guidelines for the objective evaluation of food
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This information often is valuable in explaining results. Flow properties of batters or certain other mixtures prior to heat treatment can be measured and that information used in interpreting and explaining results.
Short essay on solar cooking
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Solar cooker works on solar energy. Solar cooker can directly utilize solar energy or can use deflected solar energy from a large concentration rays surface.
What are the advantages and disadvantages of using microwave ovens?
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Microwave oven cooks many foods in about 1/4th of the time necessary on a gas burner. There is no wastage of energy.
Some important types of cooking methods
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Heat may be transferred to the food during cooking by conduction, convection, radiation or by the energy of microwaves-electronic heat transfer.
Process of preliminary preparations of food
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The term used to describe the tasks done before or ahead the final preparation of food is preliminary preparation.
What are the main objectives of cooking?
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Cooking improves natural flavour and texture of food. For example roasting groundnuts, frying onions and papads, cooking rice and roasting coffee seeds improve the flavour.
What are the various functions of food?
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This group includes foods rich in carbohydrate, fat and protein. One gram of carbohydrate gives 4 calories.
How to prepare good coffee?
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The control of method in order to avoid loss of flavour substances.
Short essay on food science
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Food is a mixture of many different chemical components. The study of food science involves an understanding of the changes that occur in these components during food preparation whether natural or induced by handling procedures.
10 precautions that should be taken by a teacher when the students are taken out on excursion
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The teacher must draw an outline of the excursion. He should also explain the aims and objects of the excursion. Unless the students are clear about the objects they shall not be able to benefit by it.
8 main aims and objectives of teaching local geography
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Local Geography is a part of Geography at large. It is studied in the wider perspective of the aims and objects of the teaching of Geography.
6 main points that a teacher should keep in this mind while taking students for travels and excursions
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Discipline should be maintained while the students are going out. It can be done easily if the teacher continues to direct students properly and provide them an opportunity to see things in the proper perspective