A. Multi-component distillation
B. Binary distillation
C. Gas absorption without chemical reaction
D. Gas absorption with chemical reaction
Related Mcqs:
- The Hatta number is important in______________________?
A. Multi-component distillation
B. Binary distillation
C. Gas absorption without chemical reaction
D. Gas absorption with chemical reaction - In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in_________________?
A. Reducing the axial mixing
B. Increasing the rate of extraction
C. Maintaining the concentration difference between the two phases
D. All A , B & C. - Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in_________________?
A. Decreased solute solubility
B. Large minimum liquid to gas (L/G) ratio
C. Large number of trays
D. All A., B. and C. - Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation ?
A. Cost
B. Availability
C. Toxicity
D. Selectivity - Most important factor to be considered in the selection of packings for absorbers is the ______________ of packing?
A. Size
B. Durability
C. Porosity
D. Cost - Most important factor to be considered in the selection of packings for absorbers is the ______________ of packing?
A. Size
B. Durability
C. Porosity
D. Cost - In which of the following unit operations, the selectivity is an important parameter ?
A. Distillation
B. Solvent extraction
C. Absorption
D. None of these - Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of__________________?
A. Mass diffusivity to momentum diffusivity
B. Thermal diffusivity to mass diffusivity
C. Momentum diffusivity to thermal diffusivity
D. None of these - Which of the following plays an important role in problems of simultaneous heat and mass transfer ?
A. Lewis number
B. Schmidt number
C. Prandtl number
D. Sherwood number - In case of absorption, both the operating and equilibrium lines will be straight for______________?
A. Isothermal operation
B. Dilute solutions
C. Dilute solutions and isothermal operation
D. None of these
Mcq Added by: admin