ISRO Mechanical & Aerospace 2012 - Question 49

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18:4:1 High Speed Steel contains

  • A. 18W, 4Cr, 1V
  • B. 18Cr, 4W, 1V
  • C. 18W, 4V, 1Cr
  • D. 18V, 4Cr, 1W

Answer: A. 18W, 4Cr, 1V

Explanation: Tungsten 18%, Chromium 4%, Vanadium 1%.

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