Multiple Choice Questions On Sand Moulding Process

21. Sands are graded according to their.......

   A.Source of origin

   B.Strength

   C.Permiability

   D.Clay content and grain size

   E.Any of the above

22. Strength and permiability of served sand are related to.......

   A.Grain size

   B.Clay-content

   C.Hardness

   D.Moisture content

23. The big adavantage of using synthetic sand in foundry shop is that.........

   A.It is less costly

   B.Its properties can be controlled easily

   C.It possesses high moisture

   D.It possesses high % of clay

   E.It is highly refactory

24. Facing sand used in foundry work comprises of......

   A.Alumina, silica and clay

   B.Silica and clay

   C.Clay and alumina

   D.Silica and alumina

   E.Clay and silica

25. Loam sand comprises of .......

   A.50% sand and 10% moisture

   B.40% clay and 10% moisture

   C.50% clay and 18% moisture

   D.80% clay and 20% moisture

   E.None of the above

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