Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.107 0.215 0.017 0.31 0.107 0.215 0.017 0.31 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Same as Dependent on the system; can be either lower or higher than Always higher than Always lower than Same as Dependent on the system; can be either lower or higher than Always higher than Always lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? Flow rate of entering liquid None of the listed here Flow rate of gas Heat gain or loss Flow rate of entering liquid None of the listed here Flow rate of gas Heat gain or loss ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Packed Bubble cap Wetted wall Perforated tray Packed Bubble cap Wetted wall Perforated tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T D ∝ T0.5 D ∝ T1.5 D ∝ T2 D ∝ T D ∝ T0.5 D ∝ T1.5 D ∝ T2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Packed extraction tower Centrifugal extractor Pulsed extractor Mixer-settler extractor Packed extraction tower Centrifugal extractor Pulsed extractor Mixer-settler extractor ANSWER DOWNLOAD EXAMIANS APP