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 Differential heat of adsorption Heat of wetting None of these Integral heat of adsorption Differential heat of adsorption Heat of wetting None of these Integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not a batch drier? Vacuum shelf drier Truck drier Agitated pan drier Fluidised bed drier Vacuum shelf drier Truck drier Agitated pan drier Fluidised bed drier ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f = moles of vapour present per mole of feed, then the slope of feed line is - f/(1 - f) (1 - f)/f - 1/f - (f - 1)/f - f/(1 - f) (1 - f)/f - 1/f - (f - 1)/f ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture. None of these Critical Bound Unbound None of these Critical Bound Unbound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Does not affect Decreases Increases Exponentially increases Does not affect Decreases Increases Exponentially increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is Dependent on the Reynolds number D/a Proportional to √D D/2a Dependent on the Reynolds number D/a Proportional to √D D/2a ANSWER DOWNLOAD EXAMIANS APP