Mass Transfer To get high tray efficiency Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Time of contact between the two phases should be less Gas velocity should be very low Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Time of contact between the two phases should be less Gas velocity should be very low ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Varies directly as the pressure Is independent of pressure Is equal to the volumetric diffusivity Varies inversely as the pressure Varies directly as the pressure Is independent of pressure Is equal to the volumetric diffusivity Varies inversely as the pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Schmidt number which is defined as, μ/ρ D, is the ratio of the Momentum diffusivity to the thermal diffusivity None of these Momentum diffusivity to the mass dif-fusivity Thermal diffusivity to the mass diffusivity Momentum diffusivity to the thermal diffusivity None of these Momentum diffusivity to the mass dif-fusivity Thermal diffusivity to the mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current liquid extractor Both liquids flow at fixed rate Only one of the liquids may be pumped at any desired rate Liquid's flow rate depends upon the temperature and pressure Both liquids can have any desired flow rate Both liquids flow at fixed rate Only one of the liquids may be pumped at any desired rate Liquid's flow rate depends upon the temperature and pressure Both liquids can have any desired flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Boiling point diagram is not affected by the ambient Temperature Both B and C Pressure Humidity Temperature Both B and C Pressure Humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Degree of freedom for leaching and solvent extraction process is 3 1 2 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
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