Q2: A Freon -12 installation has the following data: Capacity: Evaporator temperature : Condenser temperature : Temperature of refrigerant superheated as gas in evaporator : Temperature of refrigerant sub-cooled as liquid in condenser: Compressor particulars: number of cylinders: bore (D)= 1.5 times stroke Determine: (i)'refrigerating effect /kg, () mass of refrigerant circulating / min, (iii) theoretical power 15 ton - 10°C. 30°C_ - 5°C Lo 25°C 2 r.p.m. 960 ne=0.945 [Note. 210 kJ/min-1 tone] (iy) co-efficient of nerformance (v) heat removed

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q2: A Freon -12 installation has the following data:
Capacity :
Evaporator temperature :
Condenser temperature :
Temperature of refrigerant superheated as gas in evaporator :
Temperature of refrigerant sub-cooled as liquid in condenser :
Compressor particulars: number of cylinders:
bore (D)= 1.5 times stroke
Determine: (i)' refrigerating effect /kg, (i) mass of refrigerant circulating / min,
* (iii) theoretical power
condenser
15 ton
- 10°C
30°C_
-5°C
L 25°C
2
r.p.m. = 960 n=0.945 [Note. 210 kJ/min=1 tone]
(iv) co-efficient of performance, (v) heat removed in
(vi) bore and stroke of compressor.
Transcribed Image Text:Q2: A Freon -12 installation has the following data: Capacity : Evaporator temperature : Condenser temperature : Temperature of refrigerant superheated as gas in evaporator : Temperature of refrigerant sub-cooled as liquid in condenser : Compressor particulars: number of cylinders: bore (D)= 1.5 times stroke Determine: (i)' refrigerating effect /kg, (i) mass of refrigerant circulating / min, * (iii) theoretical power condenser 15 ton - 10°C 30°C_ -5°C L 25°C 2 r.p.m. = 960 n=0.945 [Note. 210 kJ/min=1 tone] (iv) co-efficient of performance, (v) heat removed in (vi) bore and stroke of compressor.
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