fas 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 maintained at 30°C. Determine the rate of condensation of steam per unit length of a horizontal pipe. The properties of water at the saturation temperature of 40°c are: hfg 2407 x 10^3/kg and pv=0.05 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, ki = 0.623 W/m°C Select one: O a. 0.0046 kg/s O b.0.0036 kg/s O c.0.0016 kg/s O d.0.0026 kg/s

fas 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 maintained at 30°C. Determine the rate of condensation of steam per unit length of a horizontal pipe. The properties of water at the saturation temperature of 40°c are: hfg 2407 x 10^3/kg and pv=0.05 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, ki = 0.623 W/m°C Select one: O a. 0.0046 kg/s O b.0.0036 kg/s O c.0.0016 kg/s O d.0.0026 kg/s

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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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 maintained at 30°C. Determine the rate of condensation of steam
per unit length of a horizontal pipe. The properties of water at the saturation temperature of 40°C are: hfg 2407 x
10^3J/kg and pv=0.05 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:
O a. 0.0046 kg/s
O b.0.0036 kg/s
O .0.0016 kg/s
O d. 0.0026 kg/s

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