Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 3 1 2 4 3 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Both Momentum flux & Kinematic viscosity Thermal diffusivity Kinematic viscosity Momentum flux Both Momentum flux & Kinematic viscosity Thermal diffusivity Kinematic viscosity Momentum flux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Increase Remains same Decrease Depend on saturated boiling point; may increase or decrease Increase Remains same Decrease Depend on saturated boiling point; may increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Increased relative volatility Very efficient operation Erosion of the tower Thermal decomposition of bottoms Increased relative volatility Very efficient operation Erosion of the tower Thermal decomposition of bottoms ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as D D0.5 D1.5 1/D D D0.5 D1.5 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre. None of the listed here Electrical resistance Strength Thermal conductivity None of the listed here Electrical resistance Strength Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP