Machining properties of steel are improved by adding
a) Sulphur, lead, phosphorous
b) Silicon, aluminium, titanium
c) Vanadium, aluminium
d) Chromium, nickel
Machining properties of steel are improved by adding
a) Sulphur, lead, phosphorous
b) Silicon, aluminium, titanium
c) Vanadium, aluminium
d) Chromium, nickel