Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. > 1 10-5 to 10-6 0.01 0.1 > 1 10-5 to 10-6 0.01 0.1 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. Wetted wall Packed Perforated tray Bubble cap Wetted wall Packed Perforated tray Bubble cap ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer. Indirect tray Spray None of these Freeze Indirect tray Spray None of these Freeze ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Decreases Data insufficient, cannot be predicted Remains constant Increases Decreases Data insufficient, cannot be predicted Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Centrifugal extractor Pulsed extractor Packed extraction tower Mixer-settler extractor Centrifugal extractor Pulsed extractor Packed extraction tower Mixer-settler extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following solutions will follow Raoult's law most closely? A solution of polar organic compounds (not of homologs of a series) 35% solution of NH₃ in water A solution of benzene, toluene and oxylene 35% solution of camphor in water A solution of polar organic compounds (not of homologs of a series) 35% solution of NH₃ in water A solution of benzene, toluene and oxylene 35% solution of camphor in water ANSWER DOWNLOAD EXAMIANS APP