Phenolic thermo-setting plastics are finding application in pattern making because

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
• The disadvantage in using wood as the material for pattern making is
• Wood used for pattern making has knots. This is likely to affect
• Pattern draft for external surfaces is (in mm/m)
• The moulding tool used for finishing/repairing the sand mould after pattern withdrawal is termed 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
• Pattern used in foundry shop is
• The drawback with metallic pattern is
• In case of malleable iron castings, the contraction allowance on pattern