Shrinkage cavity in a casting may be formed due to

Related MCQs

• Normal shrinkage allowance for aluminium is 18 mm per metre and that for cast iron 10 mm per metre. If the metal pattern is to be made of aluminium and the casting is to be of cast iron, the shrinkage allowed on wooden master pattern will be
• 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
• The residual stresses in casting occur due to
• Rough surface of casting may result from
• The solidification shrinkage of magnesium alloys is about
• The solidification shrinkage of carbon steel is around
• On drying the shrinkage of wood is least
• If dross and slag along with the liquid metal reach the mould cavity they produce the defect known as
• The order of dimensional accuracy in die casting is nearly
• Die casting is generally not used for