In a gas-liquid shell and tube heat exchanger, the
Options:
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.
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