Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 600 1 0.24 3.97 600 1 0.24 3.97 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Relative humidity None of these Partial pressure of vapour Wet bulb temperature Relative humidity None of these Partial pressure of vapour Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 'ADDUCTS' and 'CLATHRATES' are used in case of Absorption Crystallisation None of these Extractive distillation Absorption Crystallisation None of these Extractive distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? Terminal concentrations of gas stream None of these Composition of the entering liquid Flow rate of the entering gas Terminal concentrations of gas stream None of these Composition of the entering liquid Flow rate of the entering gas 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. Remains same Decreases Increases Increases linearly Remains same Decreases Increases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Reboiler is considered as one theoretical plate, because Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Vapour is recycled to the column None of these Reboiler itself contains one plate Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Vapour is recycled to the column None of these Reboiler itself contains one plate ANSWER DOWNLOAD EXAMIANS APP