1. Which of the following property is desirable for materials used in tools and machines?
2. Cupola produces following material
3. Mild steel belongs to the following category
4. The usual composition of a soldering alloy is
5. The metal suitable for bearings subjected to light loads, is
6. The metal suitable for bearings subjected to heavy loads, is
7. Silicon when added to copper improves
8. Nickel when added to copper improves
9. For the allotropic forms of iron, the points of arrest are
10. Hematite iron ore contains iron about
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