Mass Transfer Unit of molal diffusivity is Gm moles/cm. sec Gm moles/cm². sec Cm²/sec gm . mole Gm moles/cm² . sec Gm moles/cm. sec Gm moles/cm². sec Cm²/sec gm . mole Gm moles/cm² . sec 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
Mass Transfer Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer. More than Less than Same as Very much less More than Less than Same as Very much less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Gas velocity should be very low Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Liquid entrainment should be severe Gas velocity should be very low Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Liquid entrainment should be severe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are regenerated by heating to __________ °C. 200-330 > 500 < 150 > 1000 200-330 > 500 < 150 > 1000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Sieve-plate column Bubble-cap column Randomly packed column Packed column (stacked) Sieve-plate column Bubble-cap column Randomly packed column Packed column (stacked) ANSWER DOWNLOAD EXAMIANS APP