Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-9 cm/sec 10-4 cm²/seC₂ 10-3 sec/cm 10-1 cm²/sec 10-9 cm/sec 10-4 cm²/seC₂ 10-3 sec/cm 10-1 cm²/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method of binary distillation does not assume that the None of these Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible Molar latent heats of all components are equal None of these Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible Molar latent heats of all components are equal 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. Less than Very much less Same as More than Less than Very much less Same as More than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient varies as DAB0.5, according to the __________ theory. Film Surface renewal Penetration None of these Film Surface renewal Penetration None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Remain unchanged Increase Can either increase or decrease, depends on the system Decrease Remain unchanged Increase Can either increase or decrease, depends on the system Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Design calculation for multiple component distillation is done by Ponchon-Savarit method Enthalpy concentration method Tray to tray calculations Mccabe-Thiele method Ponchon-Savarit method Enthalpy concentration method Tray to tray calculations Mccabe-Thiele method ANSWER DOWNLOAD EXAMIANS APP
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