Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Durability Size Porosity Cost Durability Size Porosity Cost ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Wetted wall column Seive-plate column Packed tower Bubble-cap plate column Wetted wall column Seive-plate column Packed tower Bubble-cap plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Increase Remain unchanged Decrease Can either increase or decrease, depends on the system Increase Remain unchanged Decrease Can either increase or decrease, depends on the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pore size of the molecular seive 5A is __________ mm. 50 0.05 0.5 5 50 0.05 0.5 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desirable value of absorption factor in an absorber is 1 < 1 0.5 > 1 1 < 1 0.5 > 1 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) FG/(G.a) L/(FG.G) (G.a)/FG F/(FG.a) FG/(G.a) L/(FG.G) (G.a)/FG F/(FG.a) ANSWER DOWNLOAD EXAMIANS APP
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