Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ √D K ∝ D K ∝ D1.5 K ∝ D2 K ∝ √D K ∝ D K ∝ D1.5 K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Both A & B Diffusion Bulk flow Neither A nor B Both A & B Diffusion Bulk flow Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The caking of crystals can be prevented by Maintaining low critical humidity Coating the product with inert material Maintaining high critical humidity Both A and C Maintaining low critical humidity Coating the product with inert material Maintaining high critical humidity Both A and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same system, if the same liquid used in an absorber is decreased, the tower height will Increase Decrease or increase ; depends on the type of liquid Remain unaffected Decrease Increase Decrease or increase ; depends on the type of liquid Remain unaffected Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following solutions will follow Raoult's law most closely? 35% solution of camphor in water 35% solution of NH₃ in water A solution of benzene, toluene and oxylene A solution of polar organic compounds (not of homologs of a series) 35% solution of camphor in water 35% solution of NH₃ in water A solution of benzene, toluene and oxylene A solution of polar organic compounds (not of homologs of a series) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Temperature rises Pressure rises Temperature falls Pressure falls Temperature rises Pressure rises Temperature falls Pressure falls ANSWER DOWNLOAD EXAMIANS APP
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