Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 to 5 > 10 1 5 to 10 1 to 5 > 10 1 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture contained by a substance in excess of the equilibrium moisture is called the __________ moisture. Unbound Free Bound Critical Unbound Free Bound Critical ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Reduce the overall pressure drop Avoid channelling Reduce liquid hold-up Avoid flooding Reduce the overall pressure drop Avoid channelling Reduce liquid hold-up Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raschig ring made of procelain cannot be used for treating concentrated Alkalis Sulphuric acid Hydrochloric acid Nitric acid Alkalis Sulphuric acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower. Cannot be predicted as data are insufficient Is greater than Is lower than Is same as Cannot be predicted as data are insufficient Is greater than Is lower than Is same as ANSWER DOWNLOAD EXAMIANS APP
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