Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) T T² 1/T √T T T² 1/T √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the None of these Viscosity of solvent decreases Thermal conductivity of solute increases Diffusivity of solute increases None of these Viscosity of solvent decreases Thermal conductivity of solute increases Diffusivity of solute increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) Increases Decreases linearly Remains unchanged Decreases Increases Decreases linearly Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Straight Both A & B Neither A nor B Parallel Straight Both A & B Neither A nor B Parallel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same. Both A & B Constant rate Unsaturated surface Neither A nor B Both A & B Constant rate Unsaturated surface Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during evaporative cooling process with recirculated water supply? Wet bulb temperature None of these Relative humidity Partial pressure of vapour Wet bulb temperature None of these Relative humidity Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP