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 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. > 1 0.1 0.01 10-5 to 10-6 > 1 0.1 0.01 10-5 to 10-6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because Water has a high latent heat of evaporation Solubility of the components of air in water is very small Lewis number is close to unity They are always equal under all circumstances Water has a high latent heat of evaporation Solubility of the components of air in water is very small Lewis number is close to unity They are always equal under all circumstances ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Decrease Remains same Depend on saturated boiling point; may increase or decrease Increase Decrease Remains same Depend on saturated boiling point; may increase or decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Radioactive nuclear waste is treated in Mixer-settler extractor Pulsed column extractor Bollman extractor Rotating-disc contactor Mixer-settler extractor Pulsed column extractor Bollman extractor Rotating-disc contactor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following solutions will follow Raoult's law most closely? 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 A solution of polar organic compounds (not of homologs of a series) 35% solution of NH₃ in water ANSWER DOWNLOAD EXAMIANS APP
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