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What form of burnt bricks are used to construct octagonal pillars?

  • A.King closer bricks
  • B.Double cant bricks
  • C.Bullnose bricks
  • D.Compass bricks

Answer: B

Double cant bricks have two splayed (angled) faces, so that they can be laid to turn the line of masonry through an angle. They are therefore used to construct octagonal pillars, whose sides meet at 135 degrees. King closer bricks are cut diagonally to fill the gap near a corner, bullnose bricks have a rounded edge for a quoin, and compass bricks have one curved face for circular walls and not for straight-sided pillars.

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