Mass Transfer For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same. Both A & B Neither A nor B Unsaturated surface Constant rate Both A & B Neither A nor B Unsaturated surface Constant rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid channeling Minimise the overall pressure drop Reduce liquid hold up Avoid flooding Avoid channeling Minimise the overall pressure drop Reduce liquid hold up Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction. Packed Spray Tray Bubble Packed Spray Tray Bubble ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Perforated tray tower Grid tray tower Bubble cap tower Wetted wall tower Perforated tray tower Grid tray tower Bubble cap tower Wetted wall tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Plate absorption column McCabe-Thiele method Enthalpy concentration method Ponchan-Savarit method Plate absorption column McCabe-Thiele method Enthalpy concentration method Ponchan-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Danckwerts developed the __________ theory. Film None of these Surface renewal Penetration Film None of these Surface renewal Penetration ANSWER DOWNLOAD EXAMIANS APP
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