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In 18-4-1 high speed steel, 18, 4 & 1 respectively denote the percentage of | |
A. | chromium, tungsten & vanadium. [Wrong Answer] |
B. | tungsten, chromium & vanadium. [Correct Answer] |
C. | tungsten, vanadium & chromium. [Wrong Answer] |
D. | tungsten, chromium & molybdenum. [Wrong Answer] |