In 18-4-1 high speed steel, 18, 4 & 1 respectively denote the percentage of
A. Chromium, tungsten & vanadium
B. Tungsten, chromium & vanadium
C. Tungsten, vanadium & chromium
D. Tungsten, chromium & molybdenum
Answer: Option B
This Question Belongs to Chemical Engineering >> Chemical Engineering Basics
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