Choose the correct statement?

A. A refrigerant should have low latent heat
B. If operating temperature of system is low, then refrigerant with low boiling point should be used
C. Precooling and subcooling bf refrigerant are same
D. Superheat and sensible heat of a. refrigerant are same
E. Refrigerant is inside the lubes in case of a direct-expansion chiller

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