A.Coad dust
B.Powdered quartz
C.Black oil
D.all of the above
Related Mcqs:
- Moulding sand properties that depend upon size and shape of grains and bonding material are
- 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 permeability of moulding sand depends on
- Refractoriness in the moulding sand is due to the presence of
- Permeability of moulding sand is increased due to/by
- The purpose of clay in a moulding sand is to
- Addition of saw dust to moulding sand increases its
- First step in reclaiming the moulding and core sand is
- The sand used for filling the bulk of the moulding flask
- Moisture content of the moulding sand is commonly
