Corrosion resistance of steel is increased by addition of________________?
(A) chromium and nickel
(B) sulphur, phosphorus, lead
(C) vanadium, aluminium
(D) tungsten, molybdenum, vanadium, chromium
(E) zinc
Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *