A.1 mm/metre
B.5 mm/metre
C.14 mm/metre
D.25 mm/metre
Related Mcqs:
- On the interior surfaces the draft allowance is usually
- 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 pattern depends on
- Contraction allowance for grey cast iron is (in mm/m)
- In case of cored aluminium castings, the contraction allowance is
- In case of cast steel, the contraction allowance will be least for castings having dimensions
- In case of malleable iron castings, the contraction allowance on pattern
- Which of the following materials will have highest value of contraction allowance
- Iron pipes lying under acidic soil are often attached to blocks of magnesium for protection from rusting. Magnesium offers protection to iron against corrosion because it
- The unit of diffusion coefficient is
