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In a gas-liquid shell and tube heat exchanger, the | |
A. | presence of a non-condensible gas decreases the condensing film co-efficient. [Wrong Answer] |
B. | gases under high pressure are routed through the tube side, because high pressure gases are corrosive in nature. [Wrong Answer] |
C. | gases to be heated/cooled is normally routed through the shell side, because the corrosion caused by the cooling water or steam condensate remain localised to the tubes. [Wrong Answer] |
D. | all 'a', 'b' & 'c' [Correct Answer] |