Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 1000 500 100 50 1000 500 100 50 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The term "cooling range" in a cooling tower refers to the difference in the temperature of Hot water entering the tower and the wet bulb temperature of the surrounding air Hot water entering the tower and the cooled water leaving the tower None of the listed here Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering the tower and the wet bulb temperature of the surrounding air Hot water entering the tower and the cooled water leaving the tower None of the listed here Cold water leaving the tower and the wet bulb temperature of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At minimum reflux ratio for a given separation Number of plates is infinity Separation is most efficient Minimum number of the theoretical plates is required Number of plates is zero Number of plates is infinity Separation is most efficient Minimum number of the theoretical plates is required Number of plates is zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Kinematic viscosity Momentum flux Both Momentum flux & Kinematic viscosity Thermal diffusivity Kinematic viscosity Momentum flux Both Momentum flux & Kinematic viscosity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. Either same or higher than Higher than Lower than Same as Either same or higher than Higher than Lower than Same as ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Multiple effect evaporator Rotating disc contactor Rotary dryer Mechanical draft cooling tower Multiple effect evaporator Rotating disc contactor Rotary dryer Mechanical draft cooling tower ANSWER DOWNLOAD EXAMIANS APP
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