Magnesium aluminium alloys are grain refined by addition of

Related MCQs

• For aluminium alloys grain refinement can be achieved using
• The solidification shrinkage of magnesium alloys is about
• 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
• The contraction allowance for magnesium is around
• Use of flux in melting of magnesium
• Which of the following is used as protective admixture in moulding sand for magnesium castings?
• Which of the following is used on moulds for magnesium castings to prevent metal mould reactions?
• In low temperature die casting the metals whose alloys are cast are
• Investment casting can be used for which of the following alloys
• Which heat treatment is applicable to aluminium alloy castings?