Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large surface per unit volume Large weight of liquid retained Large free cross-section Low weight per unit volume Large surface per unit volume Large weight of liquid retained Large free cross-section Low weight per unit volume 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 entering liquid Flow rate of gas None of the listed here Heat gain or loss Flow rate of entering liquid Flow rate of gas None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the Viscosity of solvent decreases None of these Thermal conductivity of solute increases Diffusivity of solute increases Viscosity of solvent decreases None of these Thermal conductivity of solute increases Diffusivity of solute increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat load in a cooling tower Neither A nor B Is equal to the number of kg, of water circulated times the cooling range Both A & B Means the amount of heat thrown away (KCal/hr.) by the cooling tower Neither A nor B Is equal to the number of kg, of water circulated times the cooling range Both A & B Means the amount of heat thrown away (KCal/hr.) by the cooling tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? None of these Terminal concentrations of gas stream Flow rate of the entering gas Composition of the entering liquid None of these Terminal concentrations of gas stream Flow rate of the entering gas Composition of the entering liquid ANSWER DOWNLOAD EXAMIANS APP
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