IndiaBIX

Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 5
1.
Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when
extracting solvent is cheaply & abundantly available.
one of the liquid components is heat sensitive.
viscosity of liquid components is very high.
one of the liquid components has very high affinity towards the solvent.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Inside the distillation column, the
driving force for the vapour flow is the pressure drop.
liquids are not always at their bubble points.
pressure increases gradually from bottom to the top of the column.
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in
viscosity with concentration.
degree of ideality of the solution.
both (a) and (b).
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate.
increases
decreases
does not affect
exponentially increases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Which of the following is not a continuous drier ?
Drum drier
Spray drier
Tunnel drier
Tray drier
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers