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- Four methods for controlling head pressure in an air-cooled condenser are ______, ______, _______, andThree advantages of unitary, stand-alone refrigeration modules in supermarket refrigeration are ______and _______.I. ESSAY/ ENUMERATION 1. GIVE ATLEAST 5 ADVANTAGES AND 5 DISADVANTAGES OF INORGANIC REFRIGERANTS. 2. HOW DOES A REFRIGERANT WORKS IN A REFRIGERATION SYSTEM? 3. DIFFERENTIATE POSITIVE AZEOTTROPES AND NEGATIVE AZEOTROPES IN TERMS OF THEIR APPLICATION IN REFRIGERATION SYSTEMS. 4. THE FOUR MAIN COMPONENTS OF A REFRIGERATION SYSTEM ARE COMPRESSOR, CONDENSER, EVAPORATOR AND AN EXPANSION VALVE. EXPLAIN BRIFLY THE FUNCTION OF EACH COMPONENT AND THE FLOW OF THE CYCLE.
- Given that the temperatures of the generator, condenser, absorber and evaporator of a VARS system are 94, 44, 25, and 10/°C), respectively, then COPmax?. If the how rate of the reftigerant is 0.09 [kg/s), then, the flow rates of the strong and weak solutions are?The food storage room requires a refrigeration system with a capacity of 15 tons of refrigeration which operates at an evaporator temperature of -17.5 ° C and a condenser temperature of 37.0 ° C. The refrigerant used is R-134a and the system operates at saturated conditions. A. COP = Answer. b. Refrigerant flow rate = Answerkg / s. c. Heat loss rate in condenser = AnswerkJ / sec.In simple and clear explanation. What is polygeneration system in refrigeration systems?
- A cascade system is to be designed to attain a temperature of 213K in an environment of 313K. The refrigerant of the high temperature side is R-134-A and that for low side is R-134-A. The condensing temperature of low side is 5K above the evaporator temperature in the cascade. Compute A.Cop. B.pressure Ratio. C.Mass flow rates of each refrigerant. D.Volume flow rate per TOR. with TS Diagram Using this Steam Table:https://docdro.id/VkxK8WH3. The food storage room requires a cooling system with a capacity of 15 tons of refrigeration that operates at an evaporator temperature of -17.5 ° C and a condenser temperature of 42.5 ° C. The refrigerant used is R-134a and the system operates in saturated conditions. a. COP = Answer . b. Refrigerant flow rate = Answer kg / s. c. Heat loss rate in condenser = Answer kJ / s.A. Describe the four processes, which occur in the vapor-compression-refrigeration cycle that youtested.B. How did you figure out the enthalpy at the various entry / exit stages? (I know you lookedat the chart or table provided! I understand that you may have used interpolation.) I want you toexplain briefly how you determined, what principle(s) you used to determine the enthalpy at thevarious points.Sketch a p-h diagram. On this sketch of the p-h diagram you must sketch and show SOME constanttemperature lines, constant pressure lines, constant enthalpy lines, constant entropy lines, quality factorand other significant features of the p-h diagram to show your understanding of the p-h diagram. Labelx & y axis, indicate the units, indicate the critical point. Label various regions,
- Q. Mention the main reguirements of a steam condensing plant.ASAPthe food storage room requires a cooling room system with a capacity of 15 tons of refrigeration that operates at an evaporator temperature of-17.8 and a condenser 33.9C, refrigerants used is R-717. a. COP b.refrigerant flow rate = kg/s c. heat loss rate in condenser =kj/s