18-4-1 high speed steel contains 18%, 4% and 1% respectively of____________________?

Chemical Engineering Mcqs

18-4-1 high speed steel contains 18%, 4% and 1% respectively of____________________?

(A)  Tungsten, vanadium and chromium

(B)  Tungsten, chromium and vanadium

(C)  Vanadium, chromium and tungsten

(D)  Chromium, tungsten and vanadium



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