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Which of the following is the principal material used for Nobake moulding process?(a) Furan or Urethane(b) Wood saw(c) Clay-bentonite(d) Water only |
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Answer» The correct option is (a) Furan or Urethane The explanation is: Nobake is a moulding process that involves the use of furan (chemical binders) to bond the moulding sand. |
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