Materials and Construction MCQs with answers Page - 8

Here, you will find a collection of MCQ questions on Materials and Construction. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. To improve the machinability of steel, it is generally subjected to

  • (A) Spheroidising
  • (B) Tempering
  • (C) Normalising
  • (D) Annealing

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Q. In hot wire aneomometer used for gas flow measurement, the wire is normally made of

  • (A) Copper
  • (B) Platinum
  • (C) Constantan
  • (D) Chromium

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Q. A magnetic material becomes __________ above the Curie temperature.

  • (A) Ferromagnetic
  • (B) Diamagnetic
  • (C) Paramagnetic
  • (D) None of these

A

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Q. Mixing vessel used for the chlorination of methane to produce methyl chloride is made of

  • (A) Copper
  • (B) Cast iron
  • (C) Aluminium
  • (D) High carbon steel

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Q. Cementite is

  • (A) Fe3C chemically
  • (B) A compound of carbon and iron
  • (C) Characterised by an orthorhombic crystal structure
  • (D) All of the above

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Q. Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making

  • (A) Shafts
  • (B) Flanges
  • (C) Gears
  • (D) Shear blades

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Q. How many atoms are there per unit cell in a body centred cubic lattice system?

  • (A) 2
  • (B) 3
  • (C) 4
  • (D) 6

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Q. Ceramic materials

  • (A) Are exemplified by clay and mica
  • (B) Are poor electrical conductors due to lack of free electrons
  • (C) Never exhibit polymorphism
  • (D) All of the above

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Q. Hydrochloric acid is __________ corrosive to common metals.

  • (A) Least
  • (B) Not
  • (C) Mildly
  • (D) Highly

A

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Q. Nickel base alloys with __________ are known as monel metal.

  • (A) Zinc
  • (B) Tin
  • (C) Copper
  • (D) Molybdenum

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