Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 3.97 0.24 1 600 3.97 0.24 1 600 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The reciprocal of stripping factor is termed as Relative volatility Absorption factor Selectivity index Murphree efficiency Relative volatility Absorption factor Selectivity index Murphree efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Greater than that computed for ideality None of these Less than the sum of the vapour pressure of the components Less than that computed for ideality Greater than that computed for ideality None of these Less than the sum of the vapour pressure of the components Less than that computed for ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of __________ employs gaseous diffusion process. Isotopes of uranium Isotopes of helium N₂ and O₂ from air SO₂ and air Isotopes of uranium Isotopes of helium N₂ and O₂ from air SO₂ and air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Does not affect Increases Decreases Exponentially increases Does not affect Increases Decreases Exponentially increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid Increases with temperature Is independent of temperature Decreases with temperature May increase or decrease with temperature Increases with temperature Is independent of temperature Decreases with temperature May increase or decrease with temperature ANSWER DOWNLOAD EXAMIANS APP
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