Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular distillation is For heat-sensitive materials Both B and C Very low pressure distillation High temperature distillation For heat-sensitive materials Both B and C Very low pressure distillation High temperature distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method of binary distillation does not assume that the Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible Molar latent heats of all components are equal None of these Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible Molar latent heats of all components are equal None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As per Gilliland's equation, the diffusivity is Directly proportional to 'T1.5' All of these Dependent on the molecular volume & molecular weight of components Inversely proportional to 'P' Directly proportional to 'T1.5' All of these Dependent on the molecular volume & molecular weight of components Inversely proportional to 'P' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During sensible cooling process Relative humidity decreases Both B and C Relative humidity increases Wet bulb temperature decreases Relative humidity decreases Both B and C Relative humidity increases Wet bulb temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Added to alter the relative volatility of the mixture Of high viscosity to give high tray efficiency Present in overhead stream Of high volatility Added to alter the relative volatility of the mixture Of high viscosity to give high tray efficiency Present in overhead stream Of high volatility ANSWER DOWNLOAD EXAMIANS APP