Chemical Engineering - Chemical Engineering Basics

31. 

Ceramic materials are

A. organic in nature.
B. stronger in compression than in tension.
C. always amorphous in nature.
D. always bad heat conductors.

Answer: Option B

Explanation:

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32. 

Dryness fraction of dry steam is

A. 0
B.
C. 1
D. 0.5

Answer: Option C

Explanation:

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33. 

Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part?

A. Anodising
B. Tempering
C. Carburising
D. Annealing

Answer: Option B

Explanation:

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34. 

Heat required to raise the temperature of a body by 1 °C is called its

A. heat capacity.
B. specific heat capacity.
C. thermal conductivity.
D. water equivalent.

Answer: Option A

Explanation:

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35. 

Coating of zinc over steel is known as

A. cladding
B. galvanising
C. anodising
D. passivation

Answer: Option B

Explanation:

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