Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Durability Cost Size Porosity Durability Cost Size Porosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Decreases with time Does not change with time Does not affect the moisture content of the wet solid Increases with time Decreases with time Does not change with time Does not affect the moisture content of the wet solid Increases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement pertaining to leaching. Fine solids can not be leached in a Pachuka tank Door classifier can be used for leaching of coarse solids Very high temperature is not needed for the leaching of sugar beet Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Fine solids can not be leached in a Pachuka tank Door classifier can be used for leaching of coarse solids Very high temperature is not needed for the leaching of sugar beet Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is 2 0.5 ∞ 1 2 0.5 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele's method? Reboiler Partial condenser Both B and C Total condenser Reboiler Partial condenser Both B and C Total condenser ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of Momentum diffusivity to thermal diffusivity None of these Thermal diffusivity to mass diffusivity Mass diffusivity to momentum diffusivity Momentum diffusivity to thermal diffusivity None of these Thermal diffusivity to mass diffusivity Mass diffusivity to momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP