Mass Transfer Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve. None of these 50 78 100 None of these 50 78 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sticky material can be dried in a __________ dryer. None of these Rotary Fluidised bed Tray None of these Rotary Fluidised bed Tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Uses molal units for material and energy balance Can use any type of units Uses weight fractions to express liquid and vapour composition Is more accurate than Ponchan-Savarit method Uses molal units for material and energy balance Can use any type of units Uses weight fractions to express liquid and vapour composition Is more accurate than Ponchan-Savarit method 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 Relative humidity of outlet air Flow rate of inlet air Temperature of the solid Humidity of inlet air Relative humidity of outlet air Flow rate of inlet air Temperature of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Remains same Increase Depend on saturated boiling point; may increase or decrease Decrease Remains same Increase Depend on saturated boiling point; may increase or decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Increases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency Increases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency ANSWER DOWNLOAD EXAMIANS APP