The condenser of a steam power plant operates at a pressure of 7.38 kPa (Tsat = 40°C) steam at this pressure condenses on the outer surfaces of horizontal pipes through which cooling water circulates The outer diameter of the pipes is 3 cm, and the outer surfaces of the pipes are maintalned at 30 C Determine the rate of heat transfer to the Cooling water circulating in the pipes. The properties of water at the saturation temperature of 40°C are: hfg 2407 x 10431/kg and pv30.05 kg/m3. The properties of liquid water at the film temperature pl= 994 kg/m3. Cpl =4178 J/kg C ul = 0.72 x 10^-3 kg/m.s, kl = 0.623 W/m C Select one: Oa. 7758W Ob. 5758W c. 8758W d. 6758W Clear my choice

The condenser of a steam power plant operates at a pressure of 7.38 kPa (Tsat = 40°C) steam at this pressure condenses on the outer surfaces of horizontal pipes through which cooling water circulates The outer diameter of the pipes is 3 cm, and the outer surfaces of the pipes are maintalned at 30 C Determine the rate of heat transfer to the Cooling water circulating in the pipes. The properties of water at the saturation temperature of 40°C are: hfg 2407 x 10431/kg and pv30.05 kg/m3. The properties of liquid water at the film temperature pl= 994 kg/m3. Cpl =4178 J/kg C ul = 0.72 x 10^-3 kg/m.s, kl = 0.623 W/m C Select one: Oa. 7758W Ob. 5758W c. 8758W d. 6758W Clear my choice

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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