Mass Transfer Flooding results in High tray efficiency Low tray efficiency Good contact between the fluids High gas velocity High tray efficiency Low tray efficiency Good contact between the fluids High gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Remains same Decreases linearly Decreases Increases Remains same Decreases linearly Decreases Increases 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 2000 1000 1500 2500 2000 1000 1500 2500 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 Increases linearly Decreases Remains same Increases Increases linearly Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Equal to the wet bulb More than the wet bulb Equal to the dry bulb Less than the wet bulb Equal to the wet bulb More than the wet bulb Equal to the dry bulb Less than the wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is +ve -ve ∞ +ve -ve ∞ ANSWER DOWNLOAD EXAMIANS APP
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