Engineering Questions with Answers - Multiple Choice Questions
Separation Processes MCQ’s – Homogeneous Azeotropic Distillation
1 - Question
The mixture can be made homogeneous azeotropic mixture using a _________
a) Stabilizer
b) Entrainer
c) Surfactant
d) Two columns
View Answer
Explanation: An entrainer is used to make a mixture Homogeneous Azeotropic mixture.
2 - Question
How many columns are used in Homogeneous azeotropic distillation?
a) Two or three
b) Minimum five
c) Only one
d) Minimum 10
View Answer
Explanation: Two or three columns are used in homogeneous azeotropic distillation.
3 - Question
What other operations are included in homogeneous azeotropic distillation?
a) Crystallization
b) Fractional crystallization
c) Solvent extraction
d) Decantation
View Answer
Explanation: Solvent extraction is used in homogenous azeotropic distillation.
4 - Question
For an entrainer E, the components A and B must lie in :
a) Same distillation region
b) Different distillation region
c) On convergence point
d) On tie line
View Answer
Explanation: For an entrainer E, the components A and B must lie in Same distillation region.
5 - Question
Which of the following must be a saddle?
a) Component A
b) Component B
c) Component A and component B
d) Component A or Component B
View Answer
Explanation: Component A or B must be a saddle but not both.
6 - Question
The distillation boundaries for hypothetical ternary systems are shown as:
a) Curved lines
b) Straight lines
c) Stars
d) Triangle
View Answer
Explanation: The distillation boundaries for hypothetical ternary systems are shown as straight lines.
7 - Question
When a distillation boundary is curved, it may be crossed provided that the distillate and bottoms lie on:
a) Different side of boundary
b) Opposite sides of boundary
c) On the boundary
d) Same side of boundary
View Answer
Explanation: When a distillation boundary is curved, it may be crossed provided that the distillate and bottoms lie on same side of boundary.
8 - Question
The maps suitable for a sequence that includes homogeneous azeotropic distillation are classifies in:
a) 2 groups
b) 3 groups
c) 4 groups
d) 5 groups
View Answer
Explanation: The maps suitable for a sequence that includes homogeneous azeotropic distillation are classifies in 5 groups
9 - Question
In the residue-curve map, the lowest boiling component is at :
a) Bottom left vertex
b) Bottom right vertex
c) At the centroid
d) At the top vertex
View Answer
Explanation: In the residue-curve map, the lowest boiling component is at the top vertex.
10 - Question
In the residue-curve map, the intermediate boiling component is at:
a) Bottom left vertex
b) Bottom right vertex
c) At the centroid
d) At the top vertex
View Answer
Explanation: In the residue-curve map, the intermediate boiling component is at the bottom left vertex.
11 - Question
In the residue-curve map, the intermediate boiling component is at:
a) Bottom left vertex
b) Bottom right vertex
c) At the centroid
d) At the top vertex
View Answer
Explanation: In the residue-curve map, the intermediate boiling component is at the bottom right vertex.