Refrigeration and Air Conditioning
The superheated vapour region, in a pressure enthalpy chart, is represented by the space

To the right of saturated liquid line
Between the saturated liquid line and saturated vapour line
None of these
To the left of saturated liquid line

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Refrigeration and Air Conditioning
Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since

These react with plants and cause greenhouse effect
These react with ozone layer
These react with water vapour and cause acid rain
These react with oxygen and cause its depletion

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