Choose the correct statement?

Refrigeration and Air Conditioning 22/02/2021

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

Related Mcqs:

    The relative coefficient of performance is_____________________?
    A. actual COP/fheoretical COP B. theoretical COP/actual COP C. actual COP x theoretical COP D. 1-actual COP x theoretical COP E. 1-actual COP/fheoretical COP....
    Ammonia-absorption refrigeration cycle requires__________________?
    A. very little work input B. maximum work input C. nearly same work input as for vapour compression cycle D. zero work input E. none of the above...
    The bank of tubes at the back of domestic refrigerator are _________________?
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    For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then_________________?
    A. bigger cabinet should be used B. smaller cabinet should be used C. perfectly tight vapour seal should be used D. refrigerant with lower evaporation temperature should be used E. refrigerant with high boiling point must be used...
    In a vapor compression cycle, the refrigerant immediately after expansion valve is___________________?
    A. liquid B. sub-cooled liquid C. saturated liquid D. wet vapour E. dry vapour...

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