Mass Transfer In which of the following unit operations, the selectivity is an important parameter? Solvent extraction Absorption None of these Distillation Solvent extraction Absorption None of these Distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its Heat of normal condensation Heat of wetting Differential heat of adsorption Integral heat of adsorption Heat of normal condensation Heat of wetting Differential heat of adsorption Integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. Partial pressure of water vapor None of these Relative humidity Wet bulb temperature Partial pressure of water vapor None of these Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De.t)1/2 (De/t)1/2 (4De/πt)1/2 (4De/t) (De.t)1/2 (De/t)1/2 (4De/πt)1/2 (4De/t) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Schmidt number which is defined as, μ/ρ D, is the ratio of the Momentum diffusivity to the mass dif-fusivity Momentum diffusivity to the thermal diffusivity None of these Thermal diffusivity to the mass diffusivity Momentum diffusivity to the mass dif-fusivity Momentum diffusivity to the thermal diffusivity None of these Thermal diffusivity to the mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humid volume is the total volume in m³ of 1 kg of Vapour laden gas at 1 atm. and room temperature Gas plus its accompanying vapour at 1 atm. and gas temperature Vapour laden gas at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and room temperature Vapour laden gas at 1 atm. and room temperature Gas plus its accompanying vapour at 1 atm. and gas temperature Vapour laden gas at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and room temperature ANSWER DOWNLOAD EXAMIANS APP
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