Mass Transfer The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is Spray chamber Natural draft cooling tower None of these Induced draft cooling tower Spray chamber Natural draft cooling tower None of these Induced draft cooling tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T √T T³ T² T √T T³ T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in Large minimum liquid to gas (L/G) ratio Decreased solute solubility Large number of trays All of these Large minimum liquid to gas (L/G) ratio Decreased solute solubility Large number of trays All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit operation involved in the prilling of urea is Crystallisation Drying Evaporation Both B and C Crystallisation Drying Evaporation Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor. Is one at unity value of Neither A nor B Increases with increase in Both A and B Is one at unity value of Neither A nor B Increases with increase in Both A and B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Ammonia present in the coke oven gas is removed by washing with Ethanolamine Dilute ammoniacal liquor Caustic solution Dilute HCl Ethanolamine Dilute ammoniacal liquor Caustic solution Dilute HCl ANSWER DOWNLOAD EXAMIANS APP