Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Thermal decomposition of bottoms Increased relative volatility Erosion of the tower Very efficient operation Thermal decomposition of bottoms Increased relative volatility Erosion of the tower Very efficient operation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T1.5 T √T T3 T1.5 T √T T3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe In dumped packing of regular units At very high liquid flow rate In towers packed randomly with crushed solids In towers packed with stacked packing In dumped packing of regular units At very high liquid flow rate In towers packed randomly with crushed solids In towers packed with stacked packing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Low viscosity absorbent is preferred for reasons of All of these Low pressure drop on pumping Improved flooding characteristics Rapid absorption rates and good heat transfer characteristics All of these Low pressure drop on pumping Improved flooding characteristics Rapid absorption rates and good heat transfer characteristics 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. 21.7 20 18.7 27.3 21.7 20 18.7 27.3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is 0.25 0.2 0.4 0.175 0.25 0.2 0.4 0.175 ANSWER DOWNLOAD EXAMIANS APP
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