Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 > 10 5 to 10 1 to 5 1 > 10 5 to 10 1 to 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect The product composition but not the fraction vaporised Neither the product composition nor the fraction vaporised The product composition as well as the fraction vaporised The fraction vaporised but not the product composition The product composition but not the fraction vaporised Neither the product composition nor the fraction vaporised The product composition as well as the fraction vaporised The fraction vaporised but not the product composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to Avoid thermal decomposition of a component Increase the total pressure of distillation Reduce the number of plates Increase the efficiency of separation Avoid thermal decomposition of a component Increase the total pressure of distillation Reduce the number of plates Increase the efficiency of separation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation columns, the All of these Highest temperatures is near the feed plate Driving force for the liquid flow is its weight Vapors are not always at their dew points All of these Highest temperatures is near the feed plate Driving force for the liquid flow is its weight Vapors are not always at their dew points ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column Increases in summer Increases in winter Decreases in winter None of these Increases in summer Increases in winter Decreases in winter None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current liquid extractor Liquid's flow rate depends upon the temperature and pressure Both liquids can have any desired flow rate Both liquids flow at fixed rate Only one of the liquids may be pumped at any desired rate Liquid's flow rate depends upon the temperature and pressure Both liquids can have any desired flow rate Both liquids flow at fixed rate Only one of the liquids may be pumped at any desired rate ANSWER DOWNLOAD EXAMIANS APP