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Pick up the wrong statement | |
A. | aluminum in steel results in excessive grain growth [Correct Answer] |
B. | manganese in steel induces hardness [Wrong Answer] |
C. | nickel and chromium in steel help in raising the elastic limit and improve the resilience and ductility [Wrong Answer] |
D. | tungsten in steels improves magnetic properties and harden ability [Wrong Answer] |
E. | sulphur, phosphorous and lead improve machining properties of steel. [Wrong Answer] |