Mass Transfer The operating cost of a distillation column at minimum reflux ratio is Maximum Zero Infinite Minimum Maximum Zero Infinite Minimum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For absorbing a sparingly soluble gas in a liquid Liquid side mass transfer co-efficient should be increased Gas side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be decreased Mass transfer co-efficient must be kept constant Liquid side mass transfer co-efficient should be increased Gas side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be decreased Mass transfer co-efficient must be kept constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Decrease in air temperature Increase in air humidity Neither A nor B Both A & B Decrease in air temperature Increase in air humidity Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For contacting a highly soluble gas with a liquid Both of the options given here Spray the liquid on gas stream Bubble the gas through liquid None of the listed here Both of the options given here Spray the liquid on gas stream Bubble the gas through liquid None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If moisture content of solid on dry basis is X, then the same on wet basis is X/(X - 1) X/(X + 1) (X + 1)/X (X - 1)/X X/(X - 1) X/(X + 1) (X + 1)/X (X - 1)/X ANSWER DOWNLOAD EXAMIANS APP