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Ratio of tube length to shell diameter for a shell and tube heat exchanger is | |
A. | 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers. [Wrong Answer] |
B. | 4 : 1 to 8 : 1 for liquid-liquid exchanger. [Wrong Answer] |
C. | < 4 : 1 for gas-gas exchangers. [Wrong Answer] |
D. | both(b) & (c). [Correct Answer] |