Refrigeration and Air Conditioning
In a bootstrap air evaporative cooling system, the evaporator is provided

Between the first heat exchanger and the secondary compressor
Between the second heat exchanger and the cooling turbine
Between the combustion chamber and the first heat exchanger
Between the secondary compressor and the second heat exchanger

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

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

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