Seminar Topic: Refrigeration & Air Conditioning

. Saturday 4 June 2011

Introduction:
The process of reducing the temperature of a body from the general level of temperature of surroundings is called refrigeration. Air-conditioning means control of temperature,humidity,purity and movement of air. The working conditions and comfort for human beings is improved by air-conditioning. The temperature is brought down during summer and increased during winter without causing any discount.

Difficulty : Medium

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1 comments:

Unknown said...

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