Answer Posted / rahaman

both heat and mass transfer occurs,due to the intimate contact
between the phases in each tray,non volatile components lose heat to condense and volatile components gains that heat and evaporates ,in this way both masss and heat transfer occurs

i am appearing in railway section engg. exam of chemical eng. therefore i want previous papers and study material of chemical eng.

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hai please please if any one have useful test related and interview based question plz send me at saify_0@hotmail.com i will be thankfull

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