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Materials and Construction - Section 1 (4)

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Materials and Construction - Section 1

In this section, you will find all the MCQs and problems
related to material and Construction and this test is best for Civil engineers.

25. 

Dielectric strength of a material is

A. its energy stroage capacity.
B. a magnetic property.
C. its capacity to resist the flow of current.
D. its capacity to withstand high voltage.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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26. 

Heavy duty bearings are usually made of

A. white metal
B. phosphorous bronze
C. monel
D. zinc

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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27. 

Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with

A. karbate
B. lead or glass
C. fireclay bricks
D. PVC

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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28. 

Percentage elongation of a material is a measure of its

A. ductility
B. brittleness
C. toughness
D. malleability

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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29. 

The hardest material just prior to diamond in Mho's scale is

A. topax
B. carborundum
C. corrundum
D. calcite

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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30. 

Sulphur melting pit in the sulphuric acid plant is made of

A. lead lined stainless steel.
B. cast iron.
C. steel or cement-brick lined.
D. hard wood.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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31. 

Acetylene gas holder is made of

A. copper
B. cast iron
C. steel
D. monel metal

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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32. 

Cementite is

A. Fe3C chemically.
B. a compound of carbon and iron.
C. characterised by an orthorhombic crystal structure.
D. all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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