Question

4
Presidency University Bangalore
Applied Thermodynamics
MECH BTech Sem 4 Div 1
20191mec0039@presidencyuniversity in
Number of Que
Question:
A;VCRS system with R-12 as working fluid, the cold region is at 20°C and the hot region at 40°C. Saturated vapour enters the compressor at 20°C an
liquid leaves the condenser at 40°C. The mass flow rate of the refrigerant is 0.008 kg/s.
The enthalpy and entropy at inlet of compressor is 195.78 kJ/kg and 0.6884 kJ/kg-K. The enthalpy at the exit of compressor is 205.1 kJ/kg and enthalpy
condenser is 74.59 kJ/kg.
Determine (a) Compressor power in Kw.
(b) refrigeration capacity in tonnes
(c) the COP; (d) the COP of carnot refrigerator operating between 20°C and 40°C.
w
Also draw T-S and P-h diagram showing all the points.​

Answer 1

Answer:

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Explanation:

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