BARC 2021 ME: Refrigeration & Air conditioning Nuclear Quiz 3

Consider an ideal VCRS (Vapor compression refrigeration cycle), for which the enthalpy of refrigerant before and after the evaporator are 75 kJ/kg and 180 kJ/kg respectively. Determine the refrigerant flow for each ton of refrigeration required:

A carnot heat pump works between temperature limits of 357^o C and 27^o C. Its COP is

Which of the following is related to the working of air conditioning system?

In a VCRS cycle, net refrigeration effect increases by 12% and work input decreases by 16% then percentage change in COP will be?

For the case of sensible heating of air, the coil efficiency is given by: (B.P.F = Bypass factor)

A refrigerant operating on simple VCRS having following data

Enthalpy at outlet of condenser = 50 KJ/kg

Enthalpy at outlet of evaporator = 150 KJ/kg

Enthalpy at outlet of compressor = 175 KJ/kg

What will be the COP?

During a psychometric process, the latent heat added is  and the sensible heat added is . Determine the Sensible heat factor:

Which of the following refrigerant is inorganic refrigerants?