Mass Transfer For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns). 22190 200-300 43835 > 500 22190 200-300 43835 > 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer. More than Very much less Same as Less than More than Very much less Same as Less than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will Data insufficient, can't be predicted Remain same Increase Decrease Data insufficient, can't be predicted Remain same Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied by heat evolution results in None of these Increased capacity of the absorber Increase in equilibrium solubility Decrease in equilibrium solubility None of these Increased capacity of the absorber Increase in equilibrium solubility Decrease in equilibrium solubility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Increases pressure drop, increases surface area Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, decreases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 100 5 10 1 100 5 10 1 ANSWER DOWNLOAD EXAMIANS APP