Steam is to be condensed on the shell side of a 1-shell-pass and 8-tube-passes condenser, with 50 tubes in each pass at 90°F (hrg = 1043 Btu/lbm). Cooling water (Cp =1.0 Btu/lbm · °F) enters the tubes at 60°F and leaves at 73°F. The tubes are thin-walled and have a diameter of 3/4 in. and length of 5 ft per pass. The overall heat transfer coefficient is 600 Btu/h ft2 - °F. Steam Determine the following: 90°F 20 lbm/s the rate of heat transfer, the rate of condensation of steam, and 73°F the mass flow rate of cold water A. 5.396x10^6 BTU/h, 1.44 lbm/s, 115 lbm/s B. 6.396x10^6 BTU/h, 1.44 Ibm/s, 115 lbm/s C. 5.396x10^6 BTU/h, 2.44 lbm/s, 115 lbm/s D. 5.396x10^6 BTU/h, 1.44 Ibm/s, 315 lbm/s 60°F Water 90°F
Steam is to be condensed on the shell side of a 1-shell-pass and 8-tube-passes condenser, with 50 tubes in each pass at 90°F (hrg = 1043 Btu/lbm). Cooling water (Cp =1.0 Btu/lbm · °F) enters the tubes at 60°F and leaves at 73°F. The tubes are thin-walled and have a diameter of 3/4 in. and length of 5 ft per pass. The overall heat transfer coefficient is 600 Btu/h ft2 - °F. Steam Determine the following: 90°F 20 lbm/s the rate of heat transfer, the rate of condensation of steam, and 73°F the mass flow rate of cold water A. 5.396x10^6 BTU/h, 1.44 lbm/s, 115 lbm/s B. 6.396x10^6 BTU/h, 1.44 Ibm/s, 115 lbm/s C. 5.396x10^6 BTU/h, 2.44 lbm/s, 115 lbm/s D. 5.396x10^6 BTU/h, 1.44 Ibm/s, 315 lbm/s 60°F Water 90°F
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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Transcribed Image Text:Steam is to be condensed on the shell side of a 1-shell-pass and 8-tube-passes condenser, with 50
= 1043 Btu/lbm). Cooling water (Cp =1.0 Btu/lbm - °F) enters the tubes at 60°F
tubes in each pass at 90°F (hrg
and leaves at 73°F. The tubes are thin-walled and have a diameter of 3/4 in. and length of 5 ft per pass. The
overall heat transfer coefficient is 600 Btu/h · ft2 - °F.
Steam
Determine the following:
90°F
20 lbm/s
the rate of heat transfer,
the rate of condensation of steam, and
73°F
the mass flow rate of cold water
A. 5.396x10^6 BTU/h, 1.44 Ilbm/s, 115 lbm/s
B. 6.396x10^6 BTU/h, 1.44 Ibm/s, 115 Ibm/s
C. 5.396x10^6 BTU/h, 2.44 Ibm/s, 115 lbm/s
D. 5.396x10^6 BTU/h, 1.44 Ibm/s, 315 Ibm/s
60°F
Water
90°F
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