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The refrigeration system of a large commercial complex operates in a multi-pressure system in which a single compressor supports two evaporators. The low temperature evaporator is at -40C and has a capacity of 250kW while the high temperature evaporator is at 5C and has a capacity of 200kW. Condenser is at 35C and the superheated ammonia leaves the compressor with an enthalpy of 1750kJ/kg. Calculate the amount of cooling water needed by the condenser in kg/s for a temperature rise of 15C. a. 7.1 b. 8.2 c. 9.3 d. 10.4

The refrigeration system of a large commercial complex operates in a multi-pressure system in which a single compressor supports two evaporators. The low temperature evaporator is at -40C and has a capacity of 250kW while the high temperature evaporator is at 5C and has a capacity of 200kW. Condenser is at 35C and the superheated ammonia leaves the compressor with an enthalpy of 1750kJ/kg. Calculate the amount of cooling water needed by the condenser in kg/s for a temperature rise of 15C. a. 7.1 b. 8.2 c. 9.3 d. 10.4

Elements Of Electromagnetics
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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What is the coefficient of performance of the refrigeration plant mentioned in # 3?* a. 3.1 b. 3.4 c. 3.7 d. 3.9

The refrigeration system of a large commercial complex operates in a multi-pressure system in which a single compressor supports two The low evaporators. temperature evaporator is at -40C and has a capacity of 250kW while the high temperature evaporator is at 5C and has a capacity of 200kW. Condenser is at 35C and the superheated ammonia leaves the compressor with an enthalpy of 1750kJ/kg. Calculate the amount of cooling water needed by the condenser in kg/s for a temperature rise of 15C. a. 7.1 b. 8.2 c. 9.3 d. 10.4
Transcribed Image Text:The refrigeration system of a large commercial complex operates in a multi-pressure system in which a single compressor supports two The low evaporators. temperature evaporator is at -40C and has a capacity of 250kW while the high temperature evaporator is at 5C and has a capacity of 200kW. Condenser is at 35C and the superheated ammonia leaves the compressor with an enthalpy of 1750kJ/kg. Calculate the amount of cooling water needed by the condenser in kg/s for a temperature rise of 15C. a. 7.1 b. 8.2 c. 9.3 d. 10.4
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