Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is a suitable absorbent for removal of H₂S from natural gas? Hot water Vetrocoke solution Monoethanol amine (MEA) Dilute Hot water Vetrocoke solution Monoethanol amine (MEA) Dilute ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during sensible cooling process ? Specific humidity & Partial pressure of vapour Partial pressure of vapour None of the listed here Specific humidity Specific humidity & Partial pressure of vapour Partial pressure of vapour None of the listed here Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Relative humidity Partial pressure of vapour None of these Wet bulb temperature Relative humidity Partial pressure of vapour None of these Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature. Either A or B; depends on the solid Equal to More than Less than Either A or B; depends on the solid Equal to More than Less than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Liquid flow increases while the vapor flow decreases for a system Total cost first decreases and then increases Number of plates decreases very slowly first and then more and more rapidly Slope of the operating line in stripping section decreases Liquid flow increases while the vapor flow decreases for a system Total cost first decreases and then increases Number of plates decreases very slowly first and then more and more rapidly Slope of the operating line in stripping section decreases ANSWER DOWNLOAD EXAMIANS APP
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