high-pressure condenser is at 1514.2 kPa. The cascade condenser< Refrigeration by Sta. Maria(1)11:57 MOn.Copy ShareRefrigeration and Áir Buiditioning 97PROBLEMS(1) Atwo-stage cascade refrigeration'system uses ammoniae the working substance. The evaporator is at -35°C and theis a direct-contract type. The refrigeration load is 90 tons.Determine (a) the mass flow rate in the low-pressure loop, (b)the mass flow rate in the high-pressure loop, (c) the powerrequired, (d) the COP, and (e) the quantity of the fluid enteringthe evaporator.Ans. (a) 0.2572 kg/s, (b) 0.341 kg/s,(c) 116.08 kW, (d) 2.73, (e) 10.37%II

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high-pressure condenser is at 1514.2 kPa. The cascade condenser Determine (a) the mass flow rate in the low-pressure loop, (b) required, (d) the COP, and (e) the quantity of the fluid entering PROBLEMS (1) Atwo-stage cascade refrigeration'system uses ammonia the working substance. The evaporator is at -35°C and the bigh-pressure condenser is at 1514.2 kPa. The cascade condenser is a direct-contract type. The refrigeration load is 90 tons. Determine (a) the mass flow rate in the low-pressure loop, (b) the mass flow rate in the high-pressure loop, (c) the power as the evaporator. Ans. (a) 0.2572 kg/s, (b) 0.341 kg/s, (c) 116.08 kW, (d) 2.73, (e) 10.37%

high-pressure condenser is at 1514.2 kPa. The cascade condenser Determine (a) the mass flow rate in the low-pressure loop, (b) required, (d) the COP, and (e) the quantity of the fluid entering PROBLEMS (1) Atwo-stage cascade refrigeration'system uses ammonia the working substance. The evaporator is at -35°C and the bigh-pressure condenser is at 1514.2 kPa. The cascade condenser is a direct-contract type. The refrigeration load is 90 tons. Determine (a) the mass flow rate in the low-pressure loop, (b) the mass flow rate in the high-pressure loop, (c) the power as the evaporator. Ans. (a) 0.2572 kg/s, (b) 0.341 kg/s, (c) 116.08 kW, (d) 2.73, (e) 10.37%

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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