Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

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21.
Normalising does not __________ of a metal.

A. Improve machinability & tensile strength

B. Remove internal stresses

C. Refine the structure

D. Remove strains caused by cold working

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22.
Calorific value of __________ are almost same.

A. Lignite & anthracite coal

B. Lignite & coal gas

C. Petrol & diesel

D. Coal gas & natural gas

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23.
Closeness of packing is maximum in case of __________ crystal lattice.

A. Face centred

B. Simple cubic

C. Body centred

D. None of these

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24.
Absorptivity of a grey body varies with the

A. Wavelength of the incident ray

B. Temperature

C. Both A & B

D. Neither A nor B

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25.
The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

A. Ability to absorb shock

B. Capacity to store energy

C. Ratio of the wire & coil diameters

D. Load to produce unit deflection

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26.
Which of the following does not come under the category of electrochemical corrosion?

A. Corrosion in organic liquids

B. Atmospheric corrosion in moist gas or air

C. Soil corrosion as in the case of underground pipes

D. Corrosion in sea water and molten metals

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27.
Starting friction is low in case of the __________ lubrication.

A. Boundary

B. Hydrodynamic

C. Hydrostatic

D. Mixed/semi-fluid

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28.
High endurance limit of carburised machine parts is because of the fact that carburisation

A. Suppresses any stress concentration produced in the parts

B. Enhances the yield point of the material

C. Introduces a compressive layer on the surface

D. Produces a better surface finish

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29.
In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

A. Zirconia

B. Alumina

C. Bakelite

D. Tungsten carbide

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30.
Coating of zinc over steel is known as

A. Cladding

B. Galvanising

C. Anodising

D. Passivation

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

21. Normalising does not __________ of a metal.

Answer & Solution

22. Calorific value of __________ are almost same.

Answer & Solution

23. Closeness of packing is maximum in case of __________ crystal lattice.

Answer & Solution

24. Absorptivity of a grey body varies with the

Answer & Solution

25. The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

Answer & Solution

26. Which of the following does not come under the category of electrochemical corrosion?

Answer & Solution

27. Starting friction is low in case of the __________ lubrication.

Answer & Solution

28. High endurance limit of carburised machine parts is because of the fact that carburisation

Answer & Solution

29. In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

Answer & Solution

30. Coating of zinc over steel is known as

Answer & Solution

Read More Section(Chemical Engineering Basics)

21.
Normalising does not __________ of a metal.

22.
Calorific value of __________ are almost same.

23.
Closeness of packing is maximum in case of __________ crystal lattice.

24.
Absorptivity of a grey body varies with the

25.
The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

26.
Which of the following does not come under the category of electrochemical corrosion?

27.
Starting friction is low in case of the __________ lubrication.

28.
High endurance limit of carburised machine parts is because of the fact that carburisation

29.
In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

30.
Coating of zinc over steel is known as