Page No. 141
The leaks in a refrigeration system using Freon are detected by____________________?
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In vapour compression cycle using NH3 as refrigerant, initial charge is filled at_________________?
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Freon group of refrigerants are___________________?
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In a refrigeration cycle, the flow of refrigerant is controlled by___________________?
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Aqua ammonia is used as refrigerant in the following type of refrigeration system_________________?
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In vapor compression refrigeration system, refrigerant occurs as liquid between_________________?
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