A.Floor sand
B.Parting sand
C.Dry-sand
Related Mcqs:
- Which of the following sand must possess high refractoriness?
- The sand used for filling the bulk of the moulding flask
- The rammer used for packing the sand in pockets/corners of a mould is known as
- Rammer used for moulding the sand in large mould known as
- The sand mass does not fall out of the moulding box but is held firmly in it when the moulding box is lifted. This is due to the property of
- The defect known as ‘drop’ occurs when the upper surface of the mould cracks and pieces of sand fall into the molten metal. This defect occurs due to
- Permeability of a foundry sand is
- Sweep patterns are used to prepare mould of
- A mould which has good erosion resistance to metal flow and is also collapsible is
- The hardness of the mould is affected by the proportion of ingredients in the sand and
