Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.215 0.31 0.107 0.017 0.215 0.31 0.107 0.017 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very high gas velocity Results due to very low gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very high gas velocity Results due to very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of two or more components of a liquid solution can not be achieved by Absorption Evaporation Fractional crystallisation Liquid extraction Absorption Evaporation Fractional crystallisation Liquid extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Decrease Depend on saturated boiling point; may increase or decrease Increase Remains same Decrease Depend on saturated boiling point; may increase or decrease Increase Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Falling film Long tube Short tube Vacuum Falling film Long tube Short tube Vacuum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when Extracting solvent is cheaply & abundantly available One of the liquid components is heat sensitive One of the liquid components has very high affinity towards the solvent Viscosity of liquid components is very high Extracting solvent is cheaply & abundantly available One of the liquid components is heat sensitive One of the liquid components has very high affinity towards the solvent Viscosity of liquid components is very high ANSWER DOWNLOAD EXAMIANS APP