Mixing coal dust with moulding sand results in

Related MCQs

• The amount of coal dust added to moulding sand depends on
• Addition of saw dust to moulding sand increases its
• 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
• As compared to green sand in shell moulding cooling rate of cast metal is slow. Hence as compared to green sand castings, shell moulded castings will have
• Permeability of moulding sand is increased due to/by
• Refractoriness in the moulding sand is due to the presence of
• The purpose of clay in a moulding sand is to
• The sand used for filling the bulk of the moulding flask
• The moulding tool used for finishing/repairing the sand mould after pattern withdrawal is termed as
• Moulding sand properties that depend upon size and shape of grains and bonding material are