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Chemical Engineering Processes Quiz

Total questions: 31

Worksheet time: 24mins

Name
Class
Date
1.

What is the process of separating a heterogeneous mixture of a fluid and solid particles called?

a)

Evaporation

b)

Centrifugation

c)

Filtration

d)

Crushing

2.

Which unit operation involves the movement of solids over short distances?

a)

Screening

b)

Filtration

c)

Conveying of Solids

d)

Centrifugation

3.

What is the process of concentrating solutions by means of heat exchangers?

a)

Drying

b)

Refrigeration

c)

Evaporation

d)

Crystallization

4.

Which process involves the removal of a solute fraction from an insoluble solid phase?

a)

Liquid Extraction

b)

Leaching

c)

Gas Absorption

d)

Adsorption

5.

What is the process of separating components due to differences in volatility?

a)

Distillation

b)

Drying

c)

Centrifugation

d)

Filtration

6.

Which unit process involves the addition of an alkyl radical to produce organic chemicals?

a)

Amination by ammonolysis

b)

Alkylation

c)

Hydration

d)

Esterification

7.

What is the process of converting ethylene to ethanol called?

a)

Hydration

b)

Dehydration

c)

Oxidation

d)

Hydrogenation

8.

Which process is used for the destructive distillation of coal?

a)

Combustion

b)

Polymerization

c)

Cyanidation

d)

Cracking

9.

What is the process of solidifying a dissolved substance by lowering the temperature called?

a)

Crystallization

b)

Evaporation

c)

Condensation

d)

Hydrolysis

10.

Which unit process is used for the production of synthetic fibers?

a)

Amination by Reduction

b)

Dehydrogenation

c)

Hydrogenation

d)

Cyanidation

11.

What is the process of adding water to a chemical compound called?

a)

Halogenation

b)

Esterification

c)

Dehydration

d)

Hydration

12.

Which process involves the removal of water from solids into a gas stream?

a)

Drying

b)

Filtration

c)

Centrifugation

d)

Crystallization

13.

What is the process of converting a compound into its isomer called?

a)

Isomerization

b)

Polymerization

c)

Oxidation

d)

Hydrolysis

14.

separation influenced by centrifugal force

(a)  

15.

True or false: centrifugation is a process for solid-solid system

a)

True

b)

False

16.

involves the production of smaller mass units of the same material by the

application of compressive and/or shearing forces

(a)  

17.

the separation in which a heterogeneous mixture of a fluid and particles of solid are separated by a medium which permits the flow of the fluid but retains the solid particulates

(a)  

18.

separation of materials on the basis of size

(a)  

19.

Operations that involve physical changes in the industrial handling of chemicals and allied materials

(a)  

20.

Which of the following is NOT a solid-solid system unit operation?

a)

Conveying of solids

b)

Centrifugation

c)

Crystallization

d)

Filtration

21.

process of concentrating solutions by means of heat exchangers

(a)  

22.

process of solidifying a dissolved substance in a certain solution by either lowering the temperature or removing some of the solvent

(a)  

23.

process where heat is transferred from a lower temperature to a higher temperature level by doing work on a system

(a)  

24.

treatment of air to give the desired humidity and temperature

(a)  

25.

Commercialization of chemical changes to make them economically feasible

(a)  

26.

process of separating components in solution by their distribution between two immiscible liquid phases

(a)  

27.

removal of a solute fraction, in the form of a solution, from an insoluble, permeable solid phase which it is associated

(a)  

28.

process in which soluble components of a gas mixture are dissolved in a liquid

(a)  

29.

an operation in which a solid is made to come in contact with a fluid mixture under such conditions that some of the fluid is adsorbed on the surface of the solid with the resulting change in the composition of the unadsorbed fluid

(a)  

30.

the removal of relatively small amount of water from relatively large amount of solids into a gas or air stream

(a)  

31.

the separation process due to differences in volatility by utilizing vapor and liquid phases at essentially the same temperature and pressure for the coexisting zones

(a)