Mass Transfer The unit of volumetric diffusivity is Cm³/sec Cm/sec Cm²/sec Cm²/seC₂ Cm³/sec Cm/sec Cm²/sec Cm²/seC₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) (G.a)/FG F/(FG.a) L/(FG.G) FG/(G.a) (G.a)/FG F/(FG.a) L/(FG.G) FG/(G.a) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. > 10 1 5 to 10 1 to 5 > 10 1 5 to 10 1 to 5 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 Back-trapping in a distillation column Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency Reduces pressure drop Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency Reduces pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not a batch drier? Fluidised bed drier Agitated pan drier Truck drier Vacuum shelf drier Fluidised bed drier Agitated pan drier Truck drier Vacuum shelf drier ANSWER DOWNLOAD EXAMIANS APP
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