Sheet No. Ten1. the temperature in evaporator coil is -6 °C and that in the condenser coil is 22 °C.assuming that the machine operates on the reversed carnot cycle. Calculate the COPthe refrigeration effect per kW of input work, and the heat rejected to the condenser.(9.54;9.54kW;10.4kW)2. a Carnot refrigeration cycle absorbs heat at (-12 °C) and rejects it at 40 °C a-calculate the CoP of this cycle d- If the cycle is absorbing 15 kW at (-12 °C)temperature, how much power is required.3. a refrigeration system using R-22 is to have a refrigerating capacity of 80 kW. Thecycle is standard vapour compression cycle( dry saturated vapour at compressor inlet)in which the evaporation temperature is (-8°C) and the condensing temperature 42 °Ca- determine the volume flow of refrigerant measured in cubic meter per second at theinlet to the compressor. B- calculate the power required by the compressor. C-at theentrance to the evaporator what is the fraction of vapour in the mixture expressed bothon mass basis and volume basis(0.292,0.971)4. The capacity of a refrigerator is 200 TR when working between - 6°C and 25.C. Determine themass of ice produced per day from water at 25°C. Also find the power required to drive theunit. Assume that the cycle operates on reversed Carnot cycle and latent heat of ice is 335kJ/kg.5. Refrigerant-134a is the working fluid in an ideal compression refrigeration cycle. Therefrigerant leaves the evaporator at -20°C and has a condenser pressure of 0.9 MPa.The mass flow rate is 3 kg/min. Find COPR and COPR, Camot for the same Tmax andTmin , and the tons of refrigeration6.

Answered: Image /qna-images/answer/5072428b-d537-41d1-8089-47511499d02d.jpg

1. the temperature in evaporator coil is -6 °C and that in the condenser coil is 22 °C. assuming that the machine operates on the reversed carnot cycle. Calculate the COP the refrigeration effect per kW of input work, and the heat rejected to the condenser. (9.54;9.54KW;10.4kW)

1. the temperature in evaporator coil is -6 °C and that in the condenser coil is 22 °C. assuming that the machine operates on the reversed carnot cycle. Calculate the COP the refrigeration effect per kW of input work, and the heat rejected to the condenser. (9.54;9.54KW;10.4kW)

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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