Mass Transfer Which of the following increases during evaporative cooling process with recirculated water supply? Relative humidity Both B and C Wet bulb temperature Partial pressure of vapour Relative humidity Both B and C Wet bulb temperature Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Swenson-Walker crystalliser is a __________ unit Cooling (adiabatic)-cum-evaporation Batch Continuous Semi-batch Cooling (adiabatic)-cum-evaporation Batch Continuous Semi-batch ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raf-finate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg) 10 8.89 6.89 8.25 10 8.89 6.89 8.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of -1.5 -0.6 0.6 1.5 -1.5 -0.6 0.6 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Priming in a distillation column Is characterised by the presence of foam throughout the space between trays Reduces the overall pressure drop Results from very low gas velocity Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Reduces the overall pressure drop Results from very low gas velocity Is desirable from point efficiency consideration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Highest temperature is encountered at the top of the column Vapors and liquids are at their dew point and bubble point respectively Driving force for the liquid flow is its specific weight Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Highest temperature is encountered at the top of the column Vapors and liquids are at their dew point and bubble point respectively Driving force for the liquid flow is its specific weight Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column ANSWER DOWNLOAD EXAMIANS APP