A double-pipe heat exchanger (tubes are concentric with very thin walls) has a length of 5 m while their respective diameters are 3 cm and 6cm. In the outer pipe oil enters at 115C and leaves at 50 C while water flows in the inner tube where it enters at 20C and leaves at 70C. It is known that the overall heat transfer coefficient U for this counter-flow flow arrangement is 35 W/m2-K. What is the heat transfer for this heat exchangers? Select one: a. heat transfer = 713.8 W b. heat transfer = 645.8 W O C. heat transfer = 610.2 W O d. heat transfer = 680.3 W e. heat transfer = 628.7 W

A double-pipe heat exchanger (tubes are concentric with very thin walls) has a length of 5 m while their respective diameters are 3 cm and 6cm. In the outer pipe oil enters at 115C and leaves at 50 C while water flows in the inner tube where it enters at 20C and leaves at 70C. It is known that the overall heat transfer coefficient U for this counter-flow flow arrangement is 35 W/m2-K. What is the heat transfer for this heat exchangers? Select one: a. heat transfer = 713.8 W b. heat transfer = 645.8 W O C. heat transfer = 610.2 W O d. heat transfer = 680.3 W e. heat transfer = 628.7 W

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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