Shell moulding is uneconomical for

Related MCQs

• 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
• 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
• Shell moulding is a process in which
• Shell moulding can be used for
• The advantage of shell moulding is
• Permeability of moulding sand is increased due to/by
• Mixing coal dust with moulding sand results in
• The principal ingredients of moulding sands are
• Refractoriness in the moulding sand is due to the presence of
• The purpose of clay in a moulding sand is to