Building Materials MCQs with answers Page - 3

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

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A

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Q. Assertion A : Pure lime takes a long time to develop adequate strength.
Reason R : Pure lime has slow hardening characteristics. Select your answer according to the coding system given below:

  • (A) Both A and R is true and R is correct explanation of A
  • (B) Both A and R is true and R is not a correct explanation of A
  • (C) A is true but R is false
  • (D) A is false but R is true

A

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Q. Bitumen may be dissolved in

  • (A) Carbondioxide
  • (B) Water
  • (C) Sodium chloride
  • (D) Carbon disulphide

A

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Q. Bullet proof glass is made of thick glass sheet sandwiched by a layer of

  • (A) Steel
  • (B) Stainless steel
  • (C) Can be easily welded
  • (D) Chromium plate

A

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Q. Cast iron

  • (A) Is obtained by purifying pig iron
  • (B) Is manufactured in required shapes
  • (C) May contain 2 to 5 per cent of carbon with other impurities
  • (D) All the above

A

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Q. Cast iron contains carbon approximately

  • (A) 1.5% to 5.5%
  • (B) 0.05% to 1.75%
  • (C) 0.250%
  • (D) None to these

A

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Q. Chlorite, a green colour mineral is mainly derived from the decomposition of

  • (A) Augite
  • (B) Biotite
  • (C) Hornblende
  • (D) All of these

A

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Q. Clay and silt content in a good brick earth must be at least

  • (A) 50%
  • (B) 40%
  • (C) 30%
  • (D) 25%

A

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Q. Compared to mild steel, cast iron has
(i) High compressive strength
(ii) High tensile strength
(iii) Low compressive strength
(iv) Low tensile strength
The correct answer is

  • (A) (i) and (ii)
  • (B) (ii) and (iii)
  • (C) (iii) and (iv)
  • (D) (i) and (iv)

A

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Q. During pudding

  • (A) Molten metal is kept clear of the fuel
  • (B) Carbon is converted into carbonic acid gas
  • (C) Silicon forms a slag
  • (D) All the above

A

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Q. Hydraulic lime is obtained by

  • (A) Burning of lime stone
  • (B) Burning of kankar
  • (C) Adding water to quick lime
  • (D) Calcination of pure clay

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