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Materials and Construction - Section 1

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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.

1. 

Constantan is an alloy of

A. Cu (55%) & Sn (45%).
B. Cu (55%) & Ni (45%).
C. Pt (95%) & Rh (10%).
D. Fe (80%) & Ni (20%).

Answer: Option B

Explanation:

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

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2. 

Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets.

A. chromium
B. nickel
C. tungsten
D. cobalt

Answer: Option D

Explanation:

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3. 

Refined acetic acid storage vessel are made of

A. copper
B. aluminium
C. high carbon steel
D. nickel

Answer: Option B

Explanation:

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4. 

Zinc is not used

A. for producing zinc base die casting alloys.
B. in its oxide form as pigments.
C. as anode for corrosion prevention in boiler.
D. as an alloying element in various bronzes.

Answer: Option D

Explanation:

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5. 

Which of the following has the highest compressive strength ?

A. Wrought iron
B. Cast iron
C. Mild steel
D. High carbon steel

Answer: Option D

Explanation:

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6. 

Addition of __________ in steel can help in increasing the depth of hardness.

A. nickel
B. chromium
C. vanadium
D. tungsten

Answer: Option D

Explanation:

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7. 

Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and

A. moving mercury and graphite.
B. graphite and moving mercury.
C. moving mercury and carbon.
D. moving mercury and crimped steel wire.

Answer: Option B

Explanation:

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8. 

Which of the following crystal structures characterises the austenitic stainless steel?

A. Simple hexagonal
B. Body centred cubic
C. Face centred cubic
D. None of these

Answer: Option C

Explanation:

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