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


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D.Clay content and grain size

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


   A.Grain size

   B.Clay-content

   C.Hardness

   D.Moisture content


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D.Moisture content

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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


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B.Its properties can be controlled easily

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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


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B.Silica and clay

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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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C.50% clay and 18% moisture

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