Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are ?
A. Cobalt, chromium & tungsten

B. Cobalt, zirconium & molybdenum

C. Cobalt, chromium & nickel

D. Molybdenum, tungsten & chromium

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.