Mass Transfer Prandtl number for water at 20°C is about 70 150 0.7 7 70 150 0.7 7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes Yes ; but the air flow rate should be excessively high No Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No Yes ; but height of cooling tower will be prohibitively high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Entrainer used in azeotropic distillation should Have high viscosity to provide high tray efficiency Form a low boiling azeotrope with one of the constituents of the mixture Form a new azeotrope of low relative volatility with one of the constituents of the mixture Have high latent heat of vaporisation Have high viscosity to provide high tray efficiency Form a low boiling azeotrope with one of the constituents of the mixture Form a new azeotrope of low relative volatility with one of the constituents of the mixture Have high latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is 0.4 0.2 0.175 0.25 0.4 0.2 0.175 0.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dimension of diffusivity is same as that of the Molal concentration Density Kinematic viscosity Velocity head Molal concentration Density Kinematic viscosity Velocity head ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of unsaturated air Wet bulb temperature < dry bulb temperature Dew point < wet bulb temperature None of the listed here Both of the options given here Wet bulb temperature < dry bulb temperature Dew point < wet bulb temperature None of the listed here Both of the options given here ANSWER DOWNLOAD EXAMIANS APP
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