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 heat transfer to the cooling water circulating in the pipes.The properties of water at the saturation temperature of 40°C are: hfg = 2407 × 10^3J/kg and ρv=0.05 kg/m3. The properties of liquid water at the film temperature: ρl = 994 kg/m3, Cpl =4178 J/kg°C, µl = 0.72 × 10^-3 kg/m.s, kl = 0.623 W/m°CSelect one:a. 6758Wb. 5758Wc. 8758Wd. 7758W The condenser of a steam power plantoperates at a pressure of 7.38 kPa (Tsat =40°C). Steam at this pressure condenseson the outer surfaces of horizontal pipesthrough which cooling water circulates.The outer diameter of the pipes is 3 cm,and the outer surfaces of the pipes aremaintained at 30°C. Determine the rate ofheat transfer to the cooling watercirculating in the pipes.The properties ofwater at the saturation temperature of40°C are: hfg = 2407 × 10^3J/kg andpv=0.05 kg/m3. The properties of liquidwater at the film temperature: pl = 994 kg/m3, Cpl =4178 J/kg°C, µl = 0.72 × 10^-3 kg/m.s, kl = 0.623 W/m°CSelect one:a. 6758Wb. 5758Wc. 8758Wd. 7758W5/8

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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 heat transfer to the cooling water circulating in the pipes.The properties of water at the saturation temperature of 40°C are: hfg = 2407 × 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, µl = 0.72 × 10^-3 kg/ m.s, kl = 0.623 W/m°C %3 Select one:

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 heat transfer to the cooling water circulating in the pipes.The properties of water at the saturation temperature of 40°C are: hfg = 2407 × 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, µl = 0.72 × 10^-3 kg/ m.s, kl = 0.623 W/m°C %3 Select one:

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.4P

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