Which of the following is a widely used refrigerant in vapour compress – McqOptions

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1.	Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor) ?
A.	Freon
B.	Liquid sulphur dioxide
C.	Methyl chloride
D.	Ammonia
Answer» B. Liquid sulphur dioxide

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