1.

Which one of the following are correct relation of R and P?
(T/t =shell/tube, 1 2 = inlet/outlet)

A. R = ( frac{T_2-T_1}{t_2-t_1} ), P = ( frac{t_2-t_1}{T_2-T_2} )
B. R = ( frac{T_2-T_1}{t_2- t_1} ), P = ( frac{t_2- t_1}{T_1- t_1} )
C. R = ( frac{T_2-T_1}{t_2- t_1} ), P = ( frac{t_2- t_1}{T_2- T_1} )
D. R = ( frac{T_1-T_2}{t_2- t_1} ), P = ( frac{t_2- t_1}{T_1- t_1} )
Answer» E.


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