Stones MCQ – Building Materials

41. Smith’s test is performed to determine

  1. Crushing strength
  2. Durability
  3. Soluble minerals
  4. Wear
Answer
Answer. c

42. The water absorption of a good building stone, by weight, after 24 hours immersion in water is not more than

  1. 5%
  2. 10%
  3. 15%
  4. 25%
Answer
Answer. a

43. A heavy stone is suitable for

  1. Rubble masonry
  2. Arches
  3. Retaining walls
  4. Roads
Answer
Answer. c

44. In stone masonry, stones are so placed that the direction of pressure is

  1. perpendicular to the direction of bedding planes
  2. along the direction of bedding planes
  3. at 45° to the direction of bedding planes
  4. at 60° to the direction of bedding planes
Answer
Answer. a
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