Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Deairation (removal of O₂) of water is done by Adsorption Absorption Ion-exchange Rectification Adsorption Absorption Ion-exchange Rectification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation. Steam None of these Continuous Azerotropic Steam None of these Continuous Azerotropic ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. > 1 0.01 0.1 10-5 to 10-6 > 1 0.01 0.1 10-5 to 10-6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Large scale drying of wheat is done in a __________ dryer. Spouted bed Vacuum rotary Fluidised bed Tray Spouted bed Vacuum rotary Fluidised bed Tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Number of plates decreases very slowly first and then more and more rapidly Slope of the operating line in stripping section decreases Liquid flow increases while the vapor flow decreases for a system Total cost first decreases and then increases Number of plates decreases very slowly first and then more and more rapidly Slope of the operating line in stripping section decreases Liquid flow increases while the vapor flow decreases for a system Total cost first decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
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