Mass Transfer NSc/NPr is called the Lewis number Psychrometric ratio Sherwood number Stantan number Lewis number Psychrometric ratio Sherwood number Stantan number 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/t) (4De/πt)1/2 (De.t)1/2 (De/t)1/2 (4De/t) (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. a₁ = a₂ None of these a₁ = 2a₂ a₁ = 0.5 a₂ a₁ = a₂ None of these a₁ = 2a₂ a₁ = 0.5 a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dry bulb temperature of unsaturated air is more than its __________ temperature. Wet bulb Neither A nor B Dew point Both A & B Wet bulb Neither A nor B Dew point Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Both Momentum flux & Kinematic viscosity Thermal diffusivity Momentum flux Kinematic viscosity Both Momentum flux & Kinematic viscosity Thermal diffusivity Momentum flux Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
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