Mass Transfer Large scale drying of wheat is done in a __________ dryer. Tray Fluidised bed Spouted bed Vacuum rotary Tray Fluidised bed Spouted bed Vacuum rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 0.24 1 600 3.97 0.24 1 600 3.97 ANSWER DOWNLOAD EXAMIANS APP
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 Increases the scale forming tendencies of water Is undesirable All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water Is undesirable All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following unit operations makes use of Thiele-Geddes equation? Solid-liquid extraction Liquid-liquid extraction Multicomponent distillation Multicomponent absorption with chemical reaction Solid-liquid extraction Liquid-liquid extraction Multicomponent distillation Multicomponent absorption with chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of unsaturated air Dew point < wet bulb temperature None of the listed here Both of the options given here Wet bulb temperature < dry bulb temperature Dew point < wet bulb temperature None of the listed here Both of the options given here Wet bulb temperature < dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 ANSWER DOWNLOAD EXAMIANS APP
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