Metallurgy Test Questions

Q.  What is the effect of silicon on the structure of cast iron? 1. Blowholes are present in the castings 2. Increases fluidity 3. Influences the solidification of liquid alloys 4. Reacts with iron to form iron sulphide

a. 1 and 2
b. 2 and 3
c. 3 and 4
d. All of the above


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