Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Unidirectional diffusion from liquid to gas phase A counter diffusion at an almost equal molar rate Unidirectional diffusion from gas to liquid phase Either A or B Unidirectional diffusion from liquid to gas phase A counter diffusion at an almost equal molar rate Unidirectional diffusion from gas to liquid phase Either A or B 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux. Total Minimum Maximum permissible Operating Total Minimum Maximum permissible Operating ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture. Unbound Equilibrium Free Bound Unbound Equilibrium Free Bound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raschig ring made of procelain cannot be used for treating concentrated Hydrochloric acid Sulphuric acid Nitric acid Alkalis Hydrochloric acid Sulphuric acid Nitric acid Alkalis ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes Yes ; but height of cooling tower will be prohibitively high No Yes ; but the air flow rate should be excessively high Yes Yes ; but height of cooling tower will be prohibitively high No Yes ; but the air flow rate should be excessively high ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS