A.titanium
B.boron
C.zirconium
D.any of the above
Related Mcqs:
- Magnesium aluminium alloys are grain refined by addition of
- Aluminium alloys for pressure die casting
- 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
- Investment casting can be used for which of the following alloys:
- The solidification shrinkage of magnesium alloys is about
- In low temperature die casting the metals whose alloys are cast are
- Which of the following is used to increase refractoriness of sand?
- Which grain shape of sand particles is least preferred for foundry sands?
- For annealing of aluminium it is heated to
- Annealing of aluminium castings
