Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 2 4 1 3 2 4 1 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Ponchan-Savarit method McCabe-Thiele method Enthalpy concentration method Plate absorption column Ponchan-Savarit method McCabe-Thiele method Enthalpy concentration method Plate absorption column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity. Molal Percentage None of these Relative Molal Percentage None of these Relative ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is -ve +ve ∞ -ve +ve ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Heating only Evaporative cooling Humidification only Both heating and humidification Heating only Evaporative cooling Humidification only Both heating and humidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid extraction, if the selectivity is unity, then Solvent flow rate should be very low Amount of solvent required will be minimum No separation will occur Separation of the constituents is the most effective Solvent flow rate should be very low Amount of solvent required will be minimum No separation will occur Separation of the constituents is the most effective ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS