Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) 1/D D D2 D0.5 1/D D D2 D0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 5 to 10 1 to 5 1 > 10 5 to 10 1 to 5 1 > 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current liquid extractor Liquid's flow rate depends upon the temperature and pressure Both liquids flow at fixed rate Only one of the liquids may be pumped at any desired rate Both liquids can have any desired flow rate Liquid's flow rate depends upon the temperature and pressure Both liquids flow at fixed rate Only one of the liquids may be pumped at any desired rate Both liquids can have any desired flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? None of these Terminal concentrations of gas stream Flow rate of the entering gas Composition of the entering liquid None of these Terminal concentrations of gas stream Flow rate of the entering gas Composition of the entering liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture. Total pressure Temperature All of these Composition Total pressure Temperature All of these Composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility does not change appreciably with the change in Total pressure Vapour pressure of either component None of these Temperature Total pressure Vapour pressure of either component None of these Temperature ANSWER DOWNLOAD EXAMIANS APP
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