Water enters at 110 ℃ at a rate of 2 kg/s in a double-pipe parallel flow heat exchanger to heat a chemical whose inlet temperature is 20 ℃ and at a rate of 3 kg/s. The overall heat transfer coefficient of the heat exchanger is 1200 W/m2. ℃. The heat transfer surface area of the heat exchanger is 7.6 m2. What is the actual heat transfer rate of the heat exchanger? The specific heats of the water and chemical are given to be 4.18 and 1.8 kJ/kg.℃, respectively. Select one: a. 277 kW b. 255 kW c. 207 kW d. 305 kW

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Water enters at 110 ℃ at a rate of 2 kg/s in a double-pipe parallel flow heat exchanger to heat a chemical whose inlet temperature is 20 ℃ and at a rate of 3 kg/s. The overall heat transfer coefficient of the heat exchanger is 1200 W/m2. ℃. The heat transfer surface area of the heat exchanger is 7.6 m2. What is the actual heat transfer rate of the heat exchanger? The specific heats of the water and chemical are given to be 4.18 and 1.8 kJ/kg.℃, respectively. Select one: a. 277 kW b. 255 kW c. 207 kW d. 305 kW
Water enters at 110 °C at a rate of 2 kg/s in
a double-pipe parallel flow heat exchanger
to heat a chemical whose inlet
temperature is 20 °C and at a rate of 3 kg/
s. The overall heat transfer coefficient of
the heat exchanger is 1200 W/m2. °C. The
heat transfer surface area of the heat
exchanger is 7.6 m2. What is the actual
heat transfer rate of the heat exchanger?
The specific heats of the water and
chemical are given to be 4.18 and 1.8 kJ/
kg.°C, respectively.
Select one:
a. 277 kW
b. 255 kW
c. 207 kW
d. 305 kW
Transcribed Image Text:Water enters at 110 °C at a rate of 2 kg/s in a double-pipe parallel flow heat exchanger to heat a chemical whose inlet temperature is 20 °C and at a rate of 3 kg/ s. The overall heat transfer coefficient of the heat exchanger is 1200 W/m2. °C. The heat transfer surface area of the heat exchanger is 7.6 m2. What is the actual heat transfer rate of the heat exchanger? The specific heats of the water and chemical are given to be 4.18 and 1.8 kJ/ kg.°C, respectively. Select one: a. 277 kW b. 255 kW c. 207 kW d. 305 kW
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