Refrigeration in aeroplanes usually employs the following refrigerant___________________?

Related Mcqs:

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 higher temperature in vapour compression cycle occurs at____________________?

A. receiver B. expansion valve C. evaporator D. condenser discharge E. compressor discharge...

Moisture in freon refrigeration system causes________________?

A. ineffective refrigeration B. high power consumption C. freezing automatic regulating valve D. corrosion of whole system E. breakdown of refrigerant...

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...