Mass Transfer Surface renewal model of mass transfer was enunciated by Toor and Marchello Fick Stefan Danckwerts Toor and Marchello Fick Stefan Danckwerts ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Less than the wet bulb Equal to the dry bulb Equal to the wet bulb More than the wet bulb Less than the wet bulb Equal to the dry bulb Equal to the wet bulb More than the wet bulb 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) FG/(G.a) L/(FG.G) (G.a)/FG F/(FG.a) FG/(G.a) L/(FG.G) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the Heat of wetting None of these Differential heat of adsorption Integral heat of adsorption Heat of wetting None of these Differential heat of adsorption Integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied by heat evolution results in Increase in equilibrium solubility Decrease in equilibrium solubility None of these Increased capacity of the absorber Increase in equilibrium solubility Decrease in equilibrium solubility None of these Increased capacity of the absorber ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are regenerated by heating to __________ °C. < 150 > 500 > 1000 200-330 < 150 > 500 > 1000 200-330 ANSWER DOWNLOAD EXAMIANS APP
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