Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 2.5 1.25 0.0025 0.25 2.5 1.25 0.0025 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 None of the listed here No change in theoretical Major decrease in the number of Marginal decrease in the number of None of the listed here No change in theoretical ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Chemical combination or molecular association between unlike molecules takes place in the formation of solution Size of component molecules are not equal Component molecules are nonpolar Attractive forces between like and unlike molecules in the solution are approximately equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Size of component molecules are not equal Component molecules are nonpolar Attractive forces between like and unlike molecules in the solution are approximately equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect The product composition but not the fraction vaporised The product composition as well as the fraction vaporised Neither the product composition nor the fraction vaporised The fraction vaporised but not the product composition The product composition but not the fraction vaporised The product composition as well as the fraction vaporised Neither the product composition nor the fraction vaporised The fraction vaporised but not the product composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Large scale drying of wheat is done in a __________ dryer. Vacuum rotary Spouted bed Fluidised bed Tray Vacuum rotary Spouted bed Fluidised bed Tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Increases Decreases Remains unaffected Decreases linearly Increases Decreases Remains unaffected Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
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