If an old casting is to be used as a pattern, to account for various allowances.

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 investment casting the pattern is made of
• Die casting is generally not used for
• Investment casting can be used for which of the following alloys
• The order of dimensional accuracy in die casting is nearly
• The function of ejection pin in die casting is to
• Average amount of sand required in a foundry for making one tonne of casting is nearly
• Aluminium is not a very good material for die casting because
• The most suitable metals for die casting are
• Choose the correct statement in respect of die casting machine