Mass Transfer What is the reflux ratio at total reflux? Data insufficient Infinity Unity Zero Data insufficient Infinity Unity Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P < P P P >>P P = P P < P P P >>P P = P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Reboiler is considered as one theoretical plate, because Reboiler itself contains one plate Vapour is recycled to the column None of these Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Reboiler itself contains one plate Vapour is recycled to the column None of these Of the assumption that vapour and liquid leaving the reboiler are in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 3.97 1 0.24 600 3.97 1 0.24 600 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 3 to 4 1.2 to 1.5 5 2.5 to 3 3 to 4 1.2 to 1.5 5 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation column, the Liquids are not always at their bubble points Driving force for the vapour flow is the pressure drop None of these Pressure increases gradually from bottom to the top of the column Liquids are not always at their bubble points Driving force for the vapour flow is the pressure drop None of these Pressure increases gradually from bottom to the top of the column ANSWER DOWNLOAD EXAMIANS APP
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