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Materials and Construction - Section 1 (2)

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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.

9. 

A suitable material of construction to use with fuming sulphuric acid is

A. carbon steel
B. stainless steel type 304
C. nickel
D. monel

Answer: Option D

Explanation:

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

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10. 

German silver in an alloy of

A. copper, nickel and zinc.
B. copper, aluminium and silver.
C. silver, zinc and aluminium.
D. silver, nickel and zinc.

Answer: Option A

Explanation:

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11. 

The metals occuring at the lower most position in the electromotive series

A. do not resist corrosion.
B. resist corrosion very strongly.
C. are very brittle.
D. are heat insulators.

Answer: Option B

Explanation:

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12. 

German silver used for decorative purposes contains maximum percentage of

A. silver
B. copper
C. zinc
D. nickel

Answer: Option B

Explanation:

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13. 

Galvanised iron is

A. harder
B. protected from rusting
C. alumina coated iron
D. none of these

Answer: Option B

Explanation:

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14. 

White cast iron is not

A. malleable
B. whitish in color
C. brittle
D. strong and hard

Answer: Option A

Explanation:

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15. 

Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.

A. 1.5-2
B. 3.5-4.5
C. 7-9
D. 12-14

Answer: Option D

Explanation:

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16. 

Cast irons are generally specified by their

A. carbon content
B. tensile strength
C. hardness
D. manufacturing proces

Answer: Option B

Explanation:

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