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 Depend on saturated boiling point; may increase or decrease Remains same Decrease Increase Depend on saturated boiling point; may increase or decrease Remains same Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the Liquid film Gas film None of these Liquid-gas interface Liquid film Gas film None of these Liquid-gas interface ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe In towers packed randomly with crushed solids In dumped packing of regular units In towers packed with stacked packing At very high liquid flow rate In towers packed randomly with crushed solids In dumped packing of regular units In towers packed with stacked packing At very high liquid flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dimension of diffusivity is same as that of the Density Kinematic viscosity Molal concentration Velocity head Density Kinematic viscosity Molal concentration Velocity head ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Radioactive nuclear waste is treated in Pulsed column extractor Mixer-settler extractor Bollman extractor Rotating-disc contactor Pulsed column extractor Mixer-settler extractor Bollman extractor Rotating-disc contactor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Both A & B Neither A nor B Viscosity Degree of ideality Both A & B Neither A nor B Viscosity Degree of ideality ANSWER DOWNLOAD EXAMIANS APP
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