Mass Transfer Which of the following solutions will follow Raoult's law most closely? A solution of polar organic compounds (not of homologs of a series) A solution of benzene, toluene and oxylene 35% solution of NH₃ in water 35% solution of camphor in water A solution of polar organic compounds (not of homologs of a series) A solution of benzene, toluene and oxylene 35% solution of NH₃ in water 35% solution of camphor in water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Neither A nor B Solids are drained to the same extent Both A & B Ratio of the insoluble to solution is constant Neither A nor B Solids are drained to the same extent Both A & B Ratio of the insoluble to solution is constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The caking of crystals can be prevented by Both A and C Maintaining high critical humidity Maintaining low critical humidity Coating the product with inert material Both A and C Maintaining high critical humidity Maintaining low critical humidity Coating the product with inert material ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement. Major decrease in the number of Marginal decrease in the number of No change in theoretical None of the listed here Major decrease in the number of Marginal decrease in the number of No change in theoretical None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Low pumping pressure drop All of these Better flow characteristics Rapid absorption rates Low pumping pressure drop All of these Better flow characteristics Rapid absorption rates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 2500 1500 2000 1000 2500 1500 2000 1000 ANSWER DOWNLOAD EXAMIANS APP
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