Mass Transfer The commonly used solvent in supercritical extraction is Carbon dioxide Methyl ethyl ketone Water Carbon tetrachloride Carbon dioxide Methyl ethyl ketone Water Carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The term "approach" in a cooling tower refers to the difference in the temperature of the Hot water entering the tower and the wet bulb temperature of the surrounding air Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering and the cooled water leaving the cooling tower None of these Hot water entering the tower and the wet bulb temperature of the surrounding air Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering and the cooled water leaving the cooling tower None of these 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 12 8 6 10 12 8 6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The film penetration model of mass transfer was enunciated by Fick Gilliland Toor and Marchello Stefan Fick Gilliland Toor and Marchello Stefan ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Increased relative volatility Very efficient operation Erosion of the tower Thermal decomposition of bottoms Increased relative volatility Very efficient operation Erosion of the tower Thermal decomposition of bottoms ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (4De/t) (De.t)1/2 (4De/πt)1/2 (De/t)1/2 (4De/t) (De.t)1/2 (4De/πt)1/2 (De/t)1/2 ANSWER DOWNLOAD EXAMIANS APP