A. Sc × Pr
B. Pr × St
C. Sh × Pr
D. St × Sh
Lewis number (Le) is___________________? Read More »
Mass Transfer A. Liquid stream should be distributed uniformly
B. Gas stream should be distributed uniformly
C. Both gas as well as liquid streams should be distributed uniformly
D. By passing should be completely avoided
Answer: Option C
A. 0
B. ∞
C. -ve
D. +ve
A. Binary mixture is represented by the apex
B. Binary mixture is represented by any point inside
C. Ternary mixture is represented by the sides
D. Pure component is represented by the apex
A. Centrifugal extractor
B. Pachuca tanks
C. Bollman extractor
D. None of these
Leaching of uranium ore and gold ore is done in________________________? Read More »
Mass Transfer A. Equal to the heat of formation of surface compound
B. Equal to the heat of wetting
C. Zero
D. Called integral heat of adsorption
A. Providing irregular grain size
B. Providing minimum percentage of voids
C. Having maximum possible points of contact
D. None of these
Powdery materials can be guarded against caking tendency on storage by_________________? Read More »
Mass Transfer A. Of slope = 1
B. Of slope = 0.1
C. Tangential to the equilibrium curve
D. None of these
A. Selectivity
B. Relative volatility
C. Solubility
D. Density difference
A. Beginning of falling
B. Beginning of constant
C. End of falling
D. None of these
