M

Mr. Dubey • 52.77K Points
Coach 

Q. Formation of thick layer of scale on the surface of steel articles can be minimised by

(A) heating in furnaces with reducing neutral or protective atmosphere
(B) heating in boxes with used carburising agent or cast iron chips
(C) heating in molten salt bath
(D) Any of the above
  • Correct Answer - Option(D)
  • Views: 155
  • Filed under category Metallurgy
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