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 Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rayleigh's equation applies to __________ distillation. Differential Continuous Steam Flash Differential Continuous Steam Flash ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the Approach is 10°F Neither A nor B Both A & B Range is 15°F Approach is 10°F Neither A nor B Both A & B Range is 15°F ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same system, if the same liquid used in an absorber is decreased, the tower height will Decrease Decrease or increase ; depends on the type of liquid Remain unaffected Increase Decrease Decrease or increase ; depends on the type of liquid Remain unaffected Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with No reflux Minimum reflux ratio Zero reflux ratio Total reflux No reflux Minimum reflux ratio Zero reflux ratio Total reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wetted wall tower is used to determine Individual mass transfer co-efficient (M.T.C.) in gaseous system The overall M.T.C. of the system M.T.C. of liquid in liquid-gas system M.T.C. of individual components in a liquid-liquid system Individual mass transfer co-efficient (M.T.C.) in gaseous system The overall M.T.C. of the system M.T.C. of liquid in liquid-gas system M.T.C. of individual components in a liquid-liquid system ANSWER DOWNLOAD EXAMIANS APP