Question 1

Differential Distillation is also known as:

Accepted Answer

A)  Simple Distillation
B)  Fractional Distillation
C)  Molecular Distillation
D)  Steam DistillationE) B) and D)
F) A) and C)

Question 2

Which process is also known as Short-Path Distillation?

Accepted Answer

A)  Simple Distillation
B)  Fractional Distillation
C)  Steam Distillation
D)  Molecular DistillationE) A) and B)
F) None of the above

Question 3

Which of the following type of product is having equilibrium moisture content (EMC)  of practically Zero?

Accepted Answer

A)  Non-Porous & Insoluble
B)  Non-Porous & Soluble
C)  Porous & Insoluble
D)  Porous & SolubleE) None of the above
F) All of the above

Question 4

Greater the surface area of the liquid, the evaporation will be:

Accepted Answer

A)  Slow
B)  Greater
C)  Not affected
D)  Both (a)  & (b) E) A) and B)
F) B) and C)

Question 5

High Boiling liquids cannot be purified by simple distillation, since the constituents in the mixture tend to_________________ at higher temperatures.

Accepted Answer

A)  Loose moisture
B)  Decompose
C)  Become Volatile
D)  None of the aboveE) B) and D)
F) A) and B)

Question 6

Which process is widely used to obtain Water for Injection/Purified Water?

Accepted Answer

A)  Steam Distillation
B)  Fractional Distillation
C)  Simple Distillation
D)  All of the aboveE) B) and C)
F) All of the above

Question 7

In silverson emulsifier, what is the only disadvantage?

Accepted Answer

A)  Poor Mixing
B)  Clogging of pores of the mesh
C)  Separation
D)  Size reductionE) B) and D)
F) A) and D)

Question 8

Vertical Tube evaporator is also known as:

Accepted Answer

A)  Horizontal Tube evaporator
B)  Basket type evaporator
C)  Short Tube Evaporator
D)  Rising Film EvaporatorE) B) and C)
F) C) and D)

Question 9

Absolute alcohol can be prepared by which method?

Accepted Answer

A)  Molecular Distillation
B)  Azeotropic Distillation
C)  Fractional Distillation
D)  Steam DistillationE) A) and D)
F) B) and C) B

Question 10

Double neck Distillation Flask is known as?

Accepted Answer

A)  Claisen Flask
B)  Round Bottom Flask
C)  Florentine Flask
D)  None of the aboveE) C) and D)
F) A) and B)

Question 11

Which evaporator can be modified to Triple effect Evaporator/ Multiple effect evaporator?

Accepted Answer

A)  Vertical Tube Evaporator
B)  Forced Circulation evaporator
C)  Horizontal Tube Evaporator
D)  None of the aboveE) A) and D)
F) A) and B)

Question 12

Which process is based on the principle of Simple Distillation with some modifications?

Accepted Answer

A)  Fractional Distillation
B)  Steam Distillation
C)  Distillation under reduced Pressure
D)  None of theseE) A) and B)
F) A) and C) C

Question 13

When the feed is high viscosity, following evaporator should be used:

Accepted Answer

A)  Climbing Film Evaporator
B)  Falling Film evaporator
C)  Horizontal Tube Evaporator
D)  Short Tube evaporatorE) B) and C)
F) A) and D)

Question 14

Talc has equilibrium Moisture Content (EMC)  of practically:

Accepted Answer

A)  One
B)  Zero
C)  Variable
D)  HighE) A) and B)
F) B) and D)

Question 15

Hormones, antibiotics & enzymes are:

Accepted Answer

A)  Heat-sensitive
B)  Cold-sensitive
C)  Volatile
D)  None of theseE) B) and D)
F) B) and C)

Question 16

In distillation process is the separation of the components of a liquid mixture by process involving vaporization and subsequent condensation at another place. What is the feed liquid called?

Accepted Answer

A)  Distillate
B)  Condensate
C)  Distilland
D)  None of the aboveE) All of the above
F) B) and C)

Question 17

A process in which the entire liquid mixture is suddenly vaporized by passing the feed from a high pressure zone to a low pressure zone:

Accepted Answer

A)  Simple Distillation
B)  Fractional Distillation
C)  Steam Distillation
D)  Flash DistillationE) B) and C)
F) None of the above

Question 18

The following Equipment is best for evaporating concentrated aqueous and thermostable liquors:

Accepted Answer

A)  Horizontal Tube evaporator
B)  Triple effect evaporator
C)  Climbing Film Evaporator
D)  Evaporating PanE) B) and C)
F) A) and B)

Question 19

Solution in which there is no change in the properties of the components other than dilution, when they are mixed to form a solution is known as?

Accepted Answer

A)  Ideal Solution
B)  Real Solution
C)  Fake Solution
D)  Partial SolutionE) B) and C)
F) A) and D) A

Question 20

Entrainment separator is part of which evaporator?

Accepted Answer

A)  Climbing Film Evaporator
B)  Triple effect evaporator
C)  Horizontal Tube Evaporator
D)  Evaporating PanE) A) and C)
F) None of the above

Exam 4: Evaporation and Distillation Techniques

Differential Distillation is also known as:

Correct AnswerverifiedShow Answer

Which process is also known as Short-Path Distillation?

Correct AnswerverifiedShow Answer

Which of the following type of product is having equilibrium moisture content (EMC) of practically Zero?

Correct AnswerverifiedShow Answer

Greater the surface area of the liquid, the evaporation will be:

Correct AnswerverifiedShow Answer

High Boiling liquids cannot be purified by simple distillation, since the constituents in the mixture tend to_________________ at higher temperatures.

Correct AnswerverifiedShow Answer

Which process is widely used to obtain Water for Injection/Purified Water?

Correct AnswerverifiedShow Answer

In silverson emulsifier, what is the only disadvantage?

Correct AnswerverifiedShow Answer

Vertical Tube evaporator is also known as:

Correct AnswerverifiedShow Answer

Absolute alcohol can be prepared by which method?

Correct AnswerverifiedB

Double neck Distillation Flask is known as?

Correct AnswerverifiedShow Answer

Which evaporator can be modified to Triple effect Evaporator/ Multiple effect evaporator?

Correct AnswerverifiedShow Answer

Which process is based on the principle of Simple Distillation with some modifications?

Correct AnswerverifiedC

When the feed is high viscosity, following evaporator should be used:

Correct AnswerverifiedShow Answer

Talc has equilibrium Moisture Content (EMC) of practically:

Correct AnswerverifiedShow Answer

Hormones, antibiotics & enzymes are:

Correct AnswerverifiedShow Answer

In distillation process is the separation of the components of a liquid mixture by process involving vaporization and subsequent condensation at another place. What is the feed liquid called?

Correct AnswerverifiedShow Answer

A process in which the entire liquid mixture is suddenly vaporized by passing the feed from a high pressure zone to a low pressure zone:

Correct AnswerverifiedShow Answer

The following Equipment is best for evaporating concentrated aqueous and thermostable liquors:

Correct AnswerverifiedShow Answer

Solution in which there is no change in the properties of the components other than dilution, when they are mixed to form a solution is known as?

Correct AnswerverifiedA

Entrainment separator is part of which evaporator?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified