When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron.

Questions › Category: Mechanical Engineering › When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron.

VideRime Staff asked 5 years ago

When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron.

a) Cementite

b) Free graphite

c) Both ‘a’ and ‘b’

d) None of these

Engineering Materials Practice Set-7