Mass Transfer Raschig ring made of procelain cannot be used for treating concentrated Nitric acid Hydrochloric acid Alkalis Sulphuric acid Nitric acid Hydrochloric acid Alkalis Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Viscosity variation of the fluids may cause channeling/flooding None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments Pressure drop in the equipment will be very high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Ammonia present in the coke oven gas is removed by washing with Dilute HCl Dilute ammoniacal liquor Caustic solution Ethanolamine Dilute HCl Dilute ammoniacal liquor Caustic solution Ethanolamine ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large weight of liquid retained Large surface per unit volume Low weight per unit volume Large free cross-section Large weight of liquid retained Large surface per unit volume Low weight per unit volume Large free cross-section ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively < 1 and ≈ 1 >1 and ≈ 1 1 and 0 0 and ≈ 1 < 1 and ≈ 1 >1 and ≈ 1 1 and 0 0 and ≈ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of H₂/ky.Cz is around 0.72 1 0.6 0.24 0.72 1 0.6 0.24 ANSWER DOWNLOAD EXAMIANS APP