Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Partial pressure of vapour None of these Relative humidity Wet bulb temperature Partial pressure of vapour None of these Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? 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 None of these Terminal concentrations of gas stream ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is 0.175 0.2 0.4 0.25 0.175 0.2 0.4 0.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 10 8 6 12 10 8 6 12 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The ratio of Murphree plate efficiency to point efficiency is always > 1 in a __________ flow model. Both plug & perfectly mixed Perfectly mixed None of the listed here Plug Both plug & perfectly mixed Perfectly mixed None of the listed here Plug ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation. Either A or B, depends on the mixture composition Equal to Higher than Lower than Either A or B, depends on the mixture composition Equal to Higher than Lower than ANSWER DOWNLOAD EXAMIANS APP