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Which type of board is constructed by fragments of wood and other ligno-cellulosic materials, bonded with organic binders with the help of one or more agents like heat, pressure, catalyst, etc. ?

  • A.Fiber board
  • B.Sandwich board
  • C.Particle board
  • D.Core board

Answer: C

The board described is particle board.

Particle board is made from wood chips, shavings, sawdust or other lignocellulosic material such as bagasse, mixed with a synthetic resin binder and pressed under heat and pressure, sometimes with a catalyst. It uses wood waste and small-sized material that cannot be made into timber.

Fibre board is made from wood broken down into fibres, not fragments, and usually relies on the fibres' own bonding. Sandwich and core boards are layered composites with a core between face layers.

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