Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? Low viscosity Low vapor pressure High gas solubility None of these Low viscosity Low vapor pressure High gas solubility None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is used for the concentration of rubber latex? Long tube vertical evaporator Calendria Short tube evaporator Agitated film evaporator Long tube vertical evaporator Calendria Short tube evaporator Agitated film evaporator ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative volatility of a binary mixture at the azeotropic composition is ∞ 1 > 1 ∞ 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency Is a function of the mass transfer between liquid and vapour Increases due to liquid entrainment Increases due to weeping and dumping of liquid Increases due to foaming Is a function of the mass transfer between liquid and vapour Increases due to liquid entrainment Increases due to weeping and dumping of liquid Increases due to foaming ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Decreases tray efficiency Reduces pressure drop Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency Reduces pressure drop Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current liquid extractor Only one of the liquids may be pumped at any desired rate Both liquids can have any desired flow rate Both liquids flow at fixed rate Liquid's flow rate depends upon the temperature and pressure Only one of the liquids may be pumped at any desired rate Both liquids can have any desired flow rate Both liquids flow at fixed rate Liquid's flow rate depends upon the temperature and pressure ANSWER DOWNLOAD EXAMIANS APP