Mass Transfer Molecular diffusion is caused by the Transfer of molecules from low concentration to high concentration region Potential energy of the molecules Activation energy of the molecules Thermal energy of the molecules Transfer of molecules from low concentration to high concentration region Potential energy of the molecules Activation energy of the molecules Thermal energy of the molecules 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 Wetted wall tower Bubble cap tower Perforated tray tower Grid tray tower Wetted wall tower Bubble cap tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Both A & B Neither A nor B Increase in air humidity Decrease in air temperature Both A & B Neither A nor B Increase in air humidity Decrease in air temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Partial pressure of vapour Wet bulb temperature None of these Relative humidity Partial pressure of vapour Wet bulb temperature None of these Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Operating velocity in a packed tower is usually __________ the flooding velocity. Equal to Half More than Twice Equal to Half More than Twice ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drying operation under vacuum is carried out to Dry materials having high bound moisture content Increase drying temperature Reduce drying temperature Dry those materials which have very high unbound mositure content Dry materials having high bound moisture content Increase drying temperature Reduce drying temperature Dry those materials which have very high unbound mositure content ANSWER DOWNLOAD EXAMIANS APP
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