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2. THE EVENTS OF A CASCADE, A PLIT-STAGE, LOW-TEMPERATURE REFRIGERATING CYCLE ARE AS FOLLOWS: AN AMMONIA VAPOR COMPRESSION SYSTEM OPERATES BETWEEN - 10C AND 33C WITH SATURATED LIQUID ON THE HIGH SIDE OF THE EXPANSION VALVE AND SATURATED VAPOR ENTERING THE COMPRESOR WHOSE VOLUMETRIC EFFICIENCY iS 89%. A R-11 COMPRESSION SYSTEM OPERATES BETWEEN -25C AND OC WITH SATURATED LIQUID ENTERING THE EXPANSION VALVE AND SATURATED VAPOR ENTERING THE COMPRESSOR WHOSE VOLUMETRIC EFFICIENCY IS 85%. THE AMMONIA EVAPORATOR SERVES AS THE CONDENSER OF THE R-11. FOR THE IDEAL CYCLE AND 10KW OF REFRIGERATION, FIND (a) THE DISPLACEMENT RATE OF EACH COMPRESSOR, AND (b) THE TOTAL ACTUAL POWER REQUIRED FOR COMPRESSION EFFICIENCIES OF 85%.

2. THE EVENTS OF A CASCADE, A PLIT-STAGE, LOW-TEMPERATURE REFRIGERATING CYCLE ARE AS FOLLOWS: AN AMMONIA VAPOR COMPRESSION SYSTEM OPERATES BETWEEN - 10C AND 33C WITH SATURATED LIQUID ON THE HIGH SIDE OF THE EXPANSION VALVE AND SATURATED VAPOR ENTERING THE COMPRESOR WHOSE VOLUMETRIC EFFICIENCY iS 89%. A R-11 COMPRESSION SYSTEM OPERATES BETWEEN -25C AND OC WITH SATURATED LIQUID ENTERING THE EXPANSION VALVE AND SATURATED VAPOR ENTERING THE COMPRESSOR WHOSE VOLUMETRIC EFFICIENCY IS 85%. THE AMMONIA EVAPORATOR SERVES AS THE CONDENSER OF THE R-11. FOR THE IDEAL CYCLE AND 10KW OF REFRIGERATION, FIND (a) THE DISPLACEMENT RATE OF EACH COMPRESSOR, AND (b) THE TOTAL ACTUAL POWER REQUIRED FOR COMPRESSION EFFICIENCIES OF 85%.

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2. THE EVENTS OF A CASCADE, A PLIT-STAGE, LOW-TEMPERATURE REFRIGERATING CYCLE ARE AS FOLLOWS: AN AMMONIA VAPOR COMPRESSION SYSTEM OPERATES BETWEEN - 10C AND 33C WITH SATURATED LIQUID ON THE HIGH SIDE OF THE EXPANSION VALVE AND SATURATED VAPOR ENTERING THE COMPRESOR WHOSE VOLUMETRIC EFFICIENCY IS 89%. A R-11 COMPRESSION SYSTEM OPERATES BETWEEN -25C AND OC WITH SATURATED LIQUID ENTERING THE EXPANSION VALVE AND SATURATED VAPOR ENTERING THE COMPRESSOR WHOSE VOLUMETRIC EFFICIENCY IS 85%. THE AMMONIA EVAPORATOR SERVES AS THE CONDENSER OF THE R-11. FOR THE IDEAL CYCLE AND 10KW OF REFRIGERATION, FIND (a) THE DISPLACEMENT RATE OF EACH COMPRESSOR, AND (b) THE TOTAL ACTUAL POWER REQUIRED FOR COMPRESSION EFFICIENCIES OF 85%.
Transcribed Image Text:2. THE EVENTS OF A CASCADE, A PLIT-STAGE, LOW-TEMPERATURE REFRIGERATING CYCLE ARE AS FOLLOWS: AN AMMONIA VAPOR COMPRESSION SYSTEM OPERATES BETWEEN - 10C AND 33C WITH SATURATED LIQUID ON THE HIGH SIDE OF THE EXPANSION VALVE AND SATURATED VAPOR ENTERING THE COMPRESOR WHOSE VOLUMETRIC EFFICIENCY IS 89%. A R-11 COMPRESSION SYSTEM OPERATES BETWEEN -25C AND OC WITH SATURATED LIQUID ENTERING THE EXPANSION VALVE AND SATURATED VAPOR ENTERING THE COMPRESSOR WHOSE VOLUMETRIC EFFICIENCY IS 85%. THE AMMONIA EVAPORATOR SERVES AS THE CONDENSER OF THE R-11. FOR THE IDEAL CYCLE AND 10KW OF REFRIGERATION, FIND (a) THE DISPLACEMENT RATE OF EACH COMPRESSOR, AND (b) THE TOTAL ACTUAL POWER REQUIRED FOR COMPRESSION EFFICIENCIES OF 85%.
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