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 A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Humidity of inlet air Temperature of the solid Relative humidity of outlet air Flow rate of inlet air Humidity of inlet air Temperature of the solid Relative humidity of outlet air Flow rate of inlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching rate is independent of the Temperature Agitation Particle size None of the listed here Temperature Agitation Particle size None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Decreases May increase on decrease, depends on the system Does not vary Increases Decreases May increase on decrease, depends on the system Does not vary Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not a batch drier? Agitated pan drier Vacuum shelf drier Truck drier Fluidised bed drier Agitated pan drier Vacuum shelf drier Truck drier Fluidised bed drier ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate High boiling mixture Heat sensitive materials Constant boiling mixture Mixture with very high relative volatility High boiling mixture Heat sensitive materials Constant boiling mixture Mixture with very high relative volatility ANSWER DOWNLOAD EXAMIANS APP
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