Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T0.5 D ∝ T2 D ∝ T D ∝ T1.5 D ∝ T0.5 D ∝ T2 D ∝ T D ∝ T1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. May increase or decrease, depends on the system Decreases Increases Remains unchanged May increase or decrease, depends on the system Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer. Rotary None of these Tunnel Tray Rotary None of these Tunnel Tray ANSWER DOWNLOAD EXAMIANS APP
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) 35% solution of NH₃ in water 35% solution of camphor in water A solution of benzene, toluene and oxylene A solution of polar organic compounds (not of homologs of a series) 35% solution of NH₃ in water 35% solution of camphor in water A solution of benzene, toluene and oxylene ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes? Packed towers Spray towers Plate towers Wetted wall columns Packed towers Spray towers Plate towers Wetted wall columns ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Increases linearly Increases Decreases Remains same Increases linearly Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
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