Mass Transfer Chemisorption (chemical adsorption) is A reversible phenomenon Characterised by adsorption of heat Same as "Van der Waals" adsorption An irreversible phenomenon A reversible phenomenon Characterised by adsorption of heat Same as "Van der Waals" adsorption An irreversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Both A & B Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Both A & B Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient varies as DAB0.5, according to the __________ theory. Film None of these Surface renewal Penetration Film None of these Surface renewal Penetration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Increase 'G' and decrease 'S' Decrease both 'G' and 'S' Increase both 'G' and 'S' Increase 'S' and decrease 'G' Increase 'G' and decrease 'S' Decrease both 'G' and 'S' Increase both 'G' and 'S' Increase 'S' and decrease 'G' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is used for the concentration of rubber latex? Agitated film evaporator Short tube evaporator Calendria Long tube vertical evaporator Agitated film evaporator Short tube evaporator Calendria Long tube vertical evaporator ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature. None of these Dew point Wet bulb Dry bulb None of these Dew point Wet bulb Dry bulb ANSWER DOWNLOAD EXAMIANS APP
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