(a) In a refrigerating plant using R12 the vapour leaves the evaporator dry saturatedat 1.826 bar and is compressed to 7.449 bar. The temperature of the vapour leaving thecompressor is 45°C. The liquid leaves the condenser at 25°C and is throttled to theevaporator pressure. Calculate:(i) the refrigeratig effect;(ii) the specific work input;(iii) the COPref.(b) Compare the results found in (a) with a plant using R134a between the samesaturation temperatures, with the same maximum cycle temperature and the same degreeof undercooling of the condensate.(121.27 kJ/kg; 29.66 kJ/kg; 4.09; 152.05 kJ/kg; 43.65 kJ/kg; 3.48) Refer to Q5 file and case 1.Complete the table belowStatePressur in MPa Tin Cspecific enthalpy inspecific entropy indryness fraction-100.7730.774-10

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(a) In a refrigerating plant using R12 the vapour leaves the evaporator dry saturated at 1.826 bar and is compressed to 7.449 bar. The temperature of the vapour leaving the compressor is 45°C. The liquid leaves the condenser at 25°C and is throttled to the evaporator pressure. Calculate: (i) the refrigeratng effect; (ii) the specific work input; (iii) the COP,ref D124 the so me

(a) In a refrigerating plant using R12 the vapour leaves the evaporator dry saturated at 1.826 bar and is compressed to 7.449 bar. The temperature of the vapour leaving the compressor is 45°C. The liquid leaves the condenser at 25°C and is throttled to the evaporator pressure. Calculate: (i) the refrigeratng effect; (ii) the specific work input; (iii) the COP,ref D124 the so me

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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