Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. > 10 1 1 to 5 5 to 10 > 10 1 1 to 5 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? Heat gain or loss Flow rate of gas Flow rate of entering liquid None of the listed here Heat gain or loss Flow rate of gas Flow rate of entering liquid None of the listed here 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 35% solution of camphor in water A solution of benzene, toluene and oxylene A solution of polar organic compounds (not of homologs of a series) 35% solution of NH₃ in water 35% solution of camphor in water A solution of benzene, toluene and oxylene ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For absorbing a sparingly soluble gas in a liquid Gas side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be decreased Mass transfer co-efficient must be kept constant Gas side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be decreased Mass transfer co-efficient must be kept constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be < 1 1 ≤ 1 > 1 < 1 1 ≤ 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 94 min 15 min 51 min 71 min 94 min 15 min 51 min 71 min ANSWER DOWNLOAD EXAMIANS APP