In case of malleable iron castings, the contraction allowance on pattern

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
• In case of cast steel, the contraction allowance will be least for castings having dimensions
• In case of cored aluminium castings, the contraction allowance is
• Malleable castings are used for
• The contraction allowance for pattern depends on
• Contraction allowance for grey cast iron is (in mm/m)
• 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
• In small castings which of the following allowance can be ignored?
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• The contraction allowance for magnesium is around