Mass Transfer Prandtl number for water at 20°C is about 0.7 7 70 150 0.7 7 70 150 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large surface per unit volume Low weight per unit volume Large free cross-section Large weight of liquid retained Large surface per unit volume Low weight per unit volume Large free cross-section Large weight of liquid retained ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Decreases with time Does not change with time Does not affect the moisture content of the wet solid Increases with time Decreases with time Does not change with time Does not affect the moisture content of the wet solid Increases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The relative humidity decreases The relative humidity increases The specific humidity decreases The partial pressure of water vapour increases The relative humidity decreases The relative humidity increases The specific humidity decreases The partial pressure of water vapour increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following solutions will follow Raoult's law most closely? 35% solution of camphor in water 35% solution of NH₃ in water A solution of benzene, toluene and oxylene A solution of polar organic compounds (not of homologs of a series) 35% solution of camphor in water 35% solution of NH₃ in water A solution of benzene, toluene and oxylene A solution of polar organic compounds (not of homologs of a series) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In most of the vacuum crystalliser, vacuum is generally produced by means of a Steam jet ejector with a barometric condenser Compressed air jet None of these Suction pump Steam jet ejector with a barometric condenser Compressed air jet None of these Suction pump ANSWER DOWNLOAD EXAMIANS APP
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