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Exhaust steam from an engine passes into a condenser at a pressure of 0.12 bar and dryness 0.88. The temperature of the condensate from the condenser is 40°C. The circulating water enters the condenser at 12°C and leaves at 29°C. Calculate the mass of circulating water per kg steam condensed. Steam Properties: Steam at 0.12 bar (0.012 MPa) he = 207 kJ/kg hfg hg = 2383 kJ/kg Water Properties Water at 40°C Water at 29°C Water at 12°C h = 167.5 kJ/kg h = 121.5 kJ/kg h = 50.4 kJ/kg A. 26.71 kg B. 28.05 kg C. 30.04 kg D. 32.86 kg

Exhaust steam from an engine passes into a condenser at a pressure of 0.12 bar and dryness 0.88. The temperature of the condensate from the condenser is 40°C. The circulating water enters the condenser at 12°C and leaves at 29°C. Calculate the mass of circulating water per kg steam condensed. Steam Properties: Steam at 0.12 bar (0.012 MPa) he = 207 kJ/kg hfg hg = 2383 kJ/kg Water Properties Water at 40°C Water at 29°C Water at 12°C h = 167.5 kJ/kg h = 121.5 kJ/kg h = 50.4 kJ/kg A. 26.71 kg B. 28.05 kg C. 30.04 kg D. 32.86 kg

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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Exhaust steam from an engine passes into a condenser at a pressure of 0.12 bar and dryness 0.88. The temperature of the condensate from the condenser is 40°C. The circulating water enters the condenser at 12°C and leaves at 29°C. Calculate the mass of circulating water per kg steam condensed. Steam Properties: Steam at 0.12 bar (0.012 MPa) hf = 207 kJ/kg hfg = 2383 kJ/kg Water Properties Water at 40°C Water at 29°C Water at 12°C h = 167.5 kJ/kg h = 121.5 kJ/kg h = 50.4 kJ/kg A. 26.71 kg B. 28.05 kg C. 30.04 kg D. 32.86 kg
Transcribed Image Text:Exhaust steam from an engine passes into a condenser at a pressure of 0.12 bar and dryness 0.88. The temperature of the condensate from the condenser is 40°C. The circulating water enters the condenser at 12°C and leaves at 29°C. Calculate the mass of circulating water per kg steam condensed. Steam Properties: Steam at 0.12 bar (0.012 MPa) hf = 207 kJ/kg hfg = 2383 kJ/kg Water Properties Water at 40°C Water at 29°C Water at 12°C h = 167.5 kJ/kg h = 121.5 kJ/kg h = 50.4 kJ/kg A. 26.71 kg B. 28.05 kg C. 30.04 kg D. 32.86 kg
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