πŸ“Š Building Materials
Q. For the manufacture of plywood, veneers are placed so that grains of adjacent veneers
  • (A) Run at right angles
  • (B) Parallel
  • (C) Inclined at 45Β°
  • (D) Inclined at 60Β°
πŸ’¬ Discuss
βœ… Correct Answer: (A) Run at right angles
πŸ“Š Building Materials
Q. The most important constituent of an oil paint, is
  • (A) Thinner
  • (B) Vehicle
  • (C) Pigment
  • (D) All the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) All the above
πŸ“Š Building Materials
Q. Stucco paints are suitable for
  • (A) Stone masonry
  • (B) Brick walls
  • (C) Both (A) and (B)
  • (D) Neither (A) nor (B)
πŸ’¬ Discuss
βœ… Correct Answer: (C) Both (A) and (B)
πŸ“Š Building Materials
Q. Depending on the chemical composition and mechanical properties, iron may be classified as
  • (A) Cast iron
  • (B) Wrought iron
  • (C) Steel
  • (D) All the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) All the above
πŸ“Š Building Materials
Q. Initial setting time of cement for asbestos cement products should be not less than
  • (A) 30 minutes
  • (B) 50 minutes
  • (C) 75 minutes
  • (D) 90 minutes
πŸ’¬ Discuss
βœ… Correct Answer: (D) 90 minutes
πŸ“Š Building Materials
Q. The minimum compressive strength of 2nd class bricks should be
  • (A) 75 kg/cm2
  • (B) 90 kg/cm2
  • (C) 100 kg/cm2
  • (D) 120 kg/cm2
πŸ’¬ Discuss
βœ… Correct Answer: (A) 75 kg/cm2
πŸ“Š Building Materials
Q. The minimum compressive strength of 1st class bricks should be
  • (A) 75 kg/cm2
  • (B) 90 kg/cm2
  • (C) 100 kg/cm2
  • (D) 120 kg/cm2
πŸ’¬ Discuss
βœ… Correct Answer: (C) 100 kg/cm2
πŸ“Š Building Materials
Q. Permanent magnets are made of high carbon steel and
  • (A) 15% of cobalt
  • (B) 20% of cobalt
  • (C) 35% of cobalt
  • (D) 45% of cobalt
πŸ’¬ Discuss
βœ… Correct Answer: (D) 45% of cobalt

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