Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) √T T⁴ T² T √T T⁴ T² T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of unsaturated air Both of the options given here Wet bulb temperature < dry bulb temperature Dew point < wet bulb temperature None of the listed here Both of the options given here Wet bulb temperature < dry bulb temperature Dew point < wet bulb temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 15 min 94 min 51 min 71 min 15 min 94 min 51 min 71 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Better flow characteristics All of these Low pumping pressure drop Rapid absorption rates Better flow characteristics All of these Low pumping pressure drop Rapid absorption rates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when Only vapor phase follows Raoult's law Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Only liquid phase obeys Dalton's law Only vapor phase follows Raoult's law Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Only liquid phase obeys Dalton's law ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Depends on the pressure of the system Remains unchanged Decreases Increases Depends on the pressure of the system Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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