A. made by adding carbon in steel
B. refined from cast iron
C. an alloy of iron and carbon with varying quantities of phosphorus and sulphur
D. extensively used for making cutting tools
E. extremely brittle
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A. made by adding carbon in steel
B. refined from cast iron
C. an alloy of iron and carbon with varying quantities of phosphorus and sulphur
D. extensively used for making cutting tools
E. extremely brittle
A. 0.05%
B. 0.15%
C. 0.3%
D. 0.5%
E. 0.7%.
A. 0.1 to 0.3%
B. 0.3 to 0.6%
C. 0.6 to 0.8%
D. 0.8 to 1.5%
E. 1.5 to 2.5%.
A. decrease
B. increase
C. remain constant
D. first increase and then decrease
E. first decrease and then increase
A. 0.1%
B. 0.2%
C. 0.4%
D. 0.6%
E. 0.8%
A. 78-81%
B. 81-85%
C. 85-90%
D. 90-95%
E. 95-100%.
A. 0.5 to 1%
B. 1 – 2%
C. 2.5 to 4.5%
D. 5 – 7%
E. 7-9%.
A. 0.025%
B. 0.26%
C. 0.8%
D. 1.25%
E. 1.7%.
A. substitutional solution
B. interstitial solid solution
C. intermetallic compounds
D. all of the above
E. none of the above.
A. 0.025%
B. 0.06%
C. 0.1%
D. 0.25%
E. 0.8%.
A. 0.05 to 0.20%
B. 0.20 to 0.45%
C. 0.45 to 0.55%
D. 0.55 to 1.0%
E. 1.0 to 1.2%.
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