In a gas-liquid shell and tube heat exchanger the

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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

B. Gases under high pressure are routed through the tube side, because high pressure gases are corrosive in nature

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

D. All of the above

Answer: Option D

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