Mass Transfer Priming in a distillation column Results from very low gas velocity Reduces the overall pressure drop Is characterised by the presence of foam throughout the space between trays Is desirable from point efficiency consideration Results from very low gas velocity Reduces the overall pressure drop Is characterised by the presence of foam throughout the space between trays Is desirable from point efficiency consideration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with Minimum reflux ratio No reflux Total reflux Zero reflux ratio Minimum reflux ratio No reflux Total reflux Zero reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration model (theory) for mass transfer was enunciated by Danckwerts Higbie Kissinevskii Toor and Marchello Danckwerts Higbie Kissinevskii Toor and Marchello ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Increased relative volatility Erosion of the tower Very efficient operation Thermal decomposition of bottoms Increased relative volatility Erosion of the tower Very efficient operation Thermal decomposition of bottoms ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to Reduce the number of plates Avoid thermal decomposition of a component Increase the total pressure of distillation Increase the efficiency of separation Reduce the number of plates Avoid thermal decomposition of a component Increase the total pressure of distillation Increase the efficiency of separation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency Increases due to weeping and dumping of liquid Is a function of the mass transfer between liquid and vapour Increases due to foaming Increases due to liquid entrainment Increases due to weeping and dumping of liquid Is a function of the mass transfer between liquid and vapour Increases due to foaming Increases due to liquid entrainment ANSWER DOWNLOAD EXAMIANS APP
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