Mass Transfer In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter > 8:1 < 8 : 1 > 4 :1 < 6:1 > 8:1 < 8 : 1 > 4 :1 < 6:1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is 2 0.5 1 ∞ 2 0.5 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require Less number of trays Small cross-section column High reflux ratio Low reflux ratio Less number of trays Small cross-section column High reflux ratio Low reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the psychometric ratio is __________ then the adiabatic saturation temperature and wet bulb temperature becomes equal. > 1 1 ? < 1 > 1 1 ? < 1 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. Same as Very much less More than Less than Same as Very much less More than Less than ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS