A mould cracks after drying. It indicates

Related MCQs

• 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
• The moulding tool used for finishing/repairing the sand mould after pattern withdrawal is termed as
• A defect in castings in which a discontinuity is formed due to the imperfect fusion of two streams of metal in the mould cavity is known as
• Which of the following facilitates shaking and lifting large pattern from the mould?
• There is no need for the withdrawal of pattern from the mould in case of
• The hardness of the mould is affected by the proportion of ingredients in the sand and
• The tool used to make small holes in the sand mould to allow passage of gases/steam is known as
• If dross and slag along with the liquid metal reach the mould cavity they produce the defect known as
• For producing several similar parts from a single mould the moulding used is
• Rammer used for moulding the sand in large mould known as