Mass Transfer In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the __________ number. Grashoff None of these Sherwood Lewis Grashoff None of these Sherwood Lewis 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) (De/t)1/2 (4De/t) (De.t)1/2 (4De/πt)1/2 (De/t)1/2 (4De/t) (De.t)1/2 (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele's method? Both B and C Reboiler Partial condenser Total condenser Both B and C Reboiler Partial condenser Total condenser 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 None of these Greater degree of separation with a fixed number of trays Increased reboiler load Increased reflux ratio None of these Greater degree of separation with a fixed number of trays Increased reboiler load Increased reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Minimum reflux ratio in a distillation column results in Maximum condenser size Optimum number of trays Minimum number of trays Minimum reboiler size Maximum condenser size Optimum number of trays Minimum number of trays Minimum reboiler size ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is 1.94 0.54 1.24 1.04 1.94 0.54 1.24 1.04 ANSWER DOWNLOAD EXAMIANS APP
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