Materials And Construction MCQs | Page - 1

Dear candidates you will find MCQ questions of Materials And Construction here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

Q. Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)?

  • (A) Alumel
  • (B) Chromel
  • (C) Constantan
  • (D) Invar
💬 Discuss
✅ Correct Answer: (A) Alumel

Published by Ram Sharma ⭐ 193.88K Points at 02-Aug-2020 07:30 am in Materials And Construction

Q. In drop forging process, the forging is done by dropping the __________ at high velocity.

  • (A) Hammer
  • (B) Workpiece
  • (C) Die with hammer
  • (D) Weight on hammer
💬 Discuss
✅ Correct Answer: (C) Die with hammer

Published by Ram Sharma ⭐ 193.88K Points at 02-Aug-2020 07:30 am in Materials And Construction

Q. Most of the common metals have __________ crystal structure.

  • (A) Cubic
  • (B) Hexagonal
  • (C) Orthorhombic
  • (D) None of these
💬 Discuss
✅ Correct Answer: (A) Cubic

Published by Ram Sharma ⭐ 193.88K Points at 02-Aug-2020 07:30 am in Materials And Construction

Q. Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is

  • (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives
  • (B) Having poor fatigue resistance
  • (C) Having poor toughness
  • (D) Not helpful in producing cleaner steel due to oxidising action of vanadium
💬 Discuss
✅ Correct Answer: (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives

Published by Ram Sharma ⭐ 193.88K Points at 02-Aug-2020 07:30 am in Materials And Construction

Q. Liners of a ball mill are never made of

  • (A) Alloy steel
  • (B) Lead
  • (C) Cast iron
  • (D) Rubber or ceramic material
💬 Discuss
✅ Correct Answer: (B) Lead

Published by Ram Sharma ⭐ 193.88K Points at 02-Aug-2020 07:30 am in Materials And Construction

Q. Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines?

  • (A) Silicon steel
  • (B) Chromium steel
  • (C) Molybdenum steel
  • (D) None of these
💬 Discuss
✅ Correct Answer: (A) Silicon steel

Published by Ram Sharma ⭐ 193.88K Points at 02-Aug-2020 07:30 am in Materials And Construction

Q. Steel tower used for the storage of oleum

  • (A) Is lined with lead
  • (B) Need not be lined
  • (C) Is lined with rubber
  • (D) Is lined with acid-proof bricks
💬 Discuss
✅ Correct Answer: (B) Need not be lined

Published by Ram Sharma ⭐ 193.88K Points at 02-Aug-2020 07:30 am in Materials And Construction

Q. Iron alloyed with carbon upto 2% is called

  • (A) Pig iron
  • (B) Wrought iron
  • (C) High carbon steel
  • (D) None of these
💬 Discuss
✅ Correct Answer: (D) None of these

Published by Ram Sharma ⭐ 193.88K Points at 02-Aug-2020 07:30 am in Materials And Construction

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

  • (A) Carbon steel
  • (B) Stainless steel type 304
  • (C) Nickel
  • (D) Monel
💬 Discuss
✅ Correct Answer: (D) Monel

Published by Ram Sharma ⭐ 193.88K Points at 02-Aug-2020 07:30 am in Materials And Construction

Q. Gas holder of a gobar (cowdung) gas plant is made of

  • (A) Aluminium
  • (B) Mild steel
  • (C) Tin
  • (D) Molybdenum stainless steel
💬 Discuss
✅ Correct Answer: (B) Mild steel

Published by Ram Sharma ⭐ 193.88K Points at 02-Aug-2020 07:30 am in Materials And Construction

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