Mass Transfer Blowdown in a cooling tower Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable All of these Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable All of these Increases the scale forming tendencies of water ANSWER DOWNLOAD EXAMIANS APP
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 Dehumidified Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing None of these Dehumidified Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing 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) (4De/t) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 (4De/t) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ is concerned with the adsorption equilibria. Gibb's equation Freundlich equation Fick's law None of these Gibb's equation Freundlich equation Fick's law None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn 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 All of these Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the settling rate of the bubbles ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Radioactive nuclear waste is treated in Rotating-disc contactor Bollman extractor Pulsed column extractor Mixer-settler extractor Rotating-disc contactor Bollman extractor Pulsed column extractor Mixer-settler extractor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS