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2nkL (61-0,) The temperture radius and 02 of a pipe with inner and outer radius are given by and Incr2) 2 nkl In (r,) 2 пkL where Q is the heat transfer rate, L is the length of the pipe and k is thermal conductivity. Making Q the subject of the formula gives A In(r)-In(2) 2nkL (0-02) 2nkL (6-02) In (r-r2) 2 nk L(8,-02) C Incr)-Incr2) D None of the above is correct

2nkL (61-0,) The temperture radius and 02 of a pipe with inner and outer radius are given by and Incr2) 2 nkl In (r,) 2 пkL where Q is the heat transfer rate, L is the length of the pipe and k is thermal conductivity. Making Q the subject of the formula gives A In(r)-In(2) 2nkL (0-02) 2nkL (6-02) In (r-r2) 2 nk L(8,-02) C Incr)-Incr2) D None of the above is correct

Elements Of Electromagnetics
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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My Questions | Answered: MEC x A simply suppor C Search Textbool /ethuto.cut.ac.za/ultra/courses/_9063_1/cl/outline • Question Completion Status: The temperture radius The vo throu and 62 of a pipe with inner and outer radius r, are given by 12 In() 2 nkL and 82 Incr2 %3D 2 пkL i=1(e where Q is the heat transfer rate, L is the length Where the er tempe Evalua of the pipe and k is thermal conductivity. Making Q the subject of the formula gives A In(r)-In(r2) 2nkL (6,-02) n=2, в 2пkL (0,— в) In (r-r2) 2 nk L(8-82) gives 61. C Incr)-Incr2) B 1.6 C 0.6 D None of the above is correct D No O A Option A is correct OB. Option R is correct
Transcribed Image Text:My Questions | Answered: MEC x A simply suppor C Search Textbool /ethuto.cut.ac.za/ultra/courses/_9063_1/cl/outline • Question Completion Status: The temperture radius The vo throu and 62 of a pipe with inner and outer radius r, are given by 12 In() 2 nkL and 82 Incr2 %3D 2 пkL i=1(e where Q is the heat transfer rate, L is the length Where the er tempe Evalua of the pipe and k is thermal conductivity. Making Q the subject of the formula gives A In(r)-In(r2) 2nkL (6,-02) n=2, в 2пkL (0,— в) In (r-r2) 2 nk L(8-82) gives 61. C Incr)-Incr2) B 1.6 C 0.6 D None of the above is correct D No O A Option A is correct OB. Option R is correct
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