In shell moulding sand preparation, the resin is combined with a catal – McqOptions

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1.	In shell moulding sand preparation, the resin is combined with a catalyst (hexa) to develop the_____
A.	thermoplastic characteristics
B.	toughness of the resin
C.	thermosetting characteristics
D.	viscosity of the resin
Answer» D. viscosity of the resin

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