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Civil Engineering

Building Materials MCQs

Practice Building Materials MCQs for competitive exams.

Building Materials MCQs

Practice questions from this topic.

Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite

  1. A. Only (iii)
  2. B. Both (i) and (iii)
  3. C. Both (ii) and (iii)
  4. D. All (i), (ii) and (iii)
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The practical limit of moisture content achieved in air drying of timber is

  1. A. 5%
  2. B. 15%
  3. C. 25%
  4. D. 35%
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Which of the following trees yields hard wood?

  1. A. Deodar
  2. B. Chir
  3. C. Shishum
  4. D. Pine
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Commonly used thinner in

  1. A. Lacquer paints, is alcohol
  2. B. Cellulose paints is ethyl acetate
  3. C. Oil paints, is naphtha
  4. D. All the above
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The yield strength and tensile strength of low carbon steel may be improved by the addition of

  1. A. Manganese
  2. B. Chromium
  3. C. Nickel
  4. D. Vanadium
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Rapid hardening cement attains early strength due to

  1. A. Larger proportion of lime grounded finer than normal cement
  2. B. Lesser proportion of lime grounded coarser than normal cement
  3. C. Lesser proportion of lime grounded finer than normal cement
  4. D. Excess percentage of gypsum
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Due to attack of dry rot, the timber

  1. A. Cracks
  2. B. Shrinks
  3. C. Reduces to powder
  4. D. None of these
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The percentage of alumina and silica in good fire clay vary respectively is

  1. A. 25, 75
  2. B. 30, 70
  3. C. 35, 65
  4. D. All of these
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Bitumen may be dissolved in

  1. A. Carbondioxide
  2. B. Water
  3. C. Sodium chloride
  4. D. Carbon disulphide
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Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as

  1. A. Quick setting cement
  2. B. Rapid hardening cement
  3. C. White cement
  4. D. Low heat Portland cement
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Plywood is made from

  1. A. Common timber
  2. B. Bamboo fibre
  3. C. Teak wood only
  4. D. Asbestos sheets
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The commonly used lime in white washing, is

  1. A. White lime
  2. B. Fat lime
  3. C. Hydraulic lime
  4. D. Quick lime
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