Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 3.97 0.24 1 600 3.97 0.24 1 600 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Increased reflux ratio Increased reboiler load Greater degree of separation with a fixed number of trays None of these Increased reflux ratio Increased reboiler load Greater degree of separation with a fixed number of trays None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Degree of ideality Viscosity Neither A nor B Both A & B Degree of ideality Viscosity Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Radioactive nuclear waste is treated in Pulsed column extractor Bollman extractor Rotating-disc contactor Mixer-settler extractor Pulsed column extractor Bollman extractor Rotating-disc contactor Mixer-settler extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of mass transfer is not dependent upon the Interfacial surface exposed between the phases Both A & B Degree of dispersion of one fluid in the other None of these Interfacial surface exposed between the phases Both A & B Degree of dispersion of one fluid in the other None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is Slightly concave downward Slightly concave upward None of these Straight line Slightly concave downward Slightly concave upward None of these Straight line ANSWER DOWNLOAD EXAMIANS APP