Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and None of these Humidified with wet bulb temperature decreasing Dehumidified Humidified at constant wet bulb temperature None of these Humidified with wet bulb temperature decreasing Dehumidified Humidified at constant wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn All of these Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler All of these Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively < 1 and ≈ 1 >1 and ≈ 1 0 and ≈ 1 1 and 0 < 1 and ≈ 1 >1 and ≈ 1 0 and ≈ 1 1 and 0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture. Dew point Dry bulb Wet bulb None of these Dew point Dry bulb Wet bulb None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following equipments is not used for gas dispersion? Spray towers Perforated sieve tray towers Agitated vessels Bubble cap tray towers Spray towers Perforated sieve tray towers Agitated vessels Bubble cap tray towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can not be increased by Increasing the air velocity over the wet surfaces Lowering the barometric pressure Reducing the humidity of entering air None of these Increasing the air velocity over the wet surfaces Lowering the barometric pressure Reducing the humidity of entering air None of these ANSWER DOWNLOAD EXAMIANS APP