Mass Transfer Molecular seives are regenerated by heating to __________ °C. 200-330 > 1000 > 500 < 150 200-330 > 1000 > 500 < 150 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 20 21.7 18.7 27.3 20 21.7 18.7 27.3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Batch tray dryers suffers from the disadvantage of High maintenance cost All of the listed here High labour cost & low heat economy Non-uniform & low production rate High maintenance cost All of the listed here High labour cost & low heat economy Non-uniform & low production rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of __________ employs gaseous diffusion process. N₂ and O₂ from air Isotopes of uranium SO₂ and air Isotopes of helium N₂ and O₂ from air Isotopes of uranium SO₂ and air Isotopes of helium ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Grid tray tower Perforated tray tower Bubble cap tower Wetted wall tower Grid tray tower Perforated tray tower Bubble cap tower Wetted wall tower ANSWER DOWNLOAD EXAMIANS APP