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Q: The yield strength and tensile strength of low carbon steel may be improved by addition of______.
  • A. manganese
  • B. chromium
  • C. nickel
  • D. vanadium
Correct Answer: Option D - Vanadium– The yield strength and tensile strength of low carbon steel may be improved by addition of Vanadium.
D. Vanadium– The yield strength and tensile strength of low carbon steel may be improved by addition of Vanadium.

Explanations:

Vanadium– The yield strength and tensile strength of low carbon steel may be improved by addition of Vanadium.