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

Question

TuteeHUB · Accepted Answer

Low specific heat of quenching oil

TuteeHUB · Answer

heating in furnaces with reducing neutral or protective atmosphere

TuteeHUB · Answer

heating in boxes with used carburising agent or cast iron chips

TuteeHUB · Answer

heating in molten salt bath

TuteeHUB · Answer

Any of the above

1.	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
E.	Low specific heat of quenching oil
Answer» E. Low specific heat of quenching oil

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