Engineering Materials
For a steel containing 0.8% carbon

There are two critical points
There can be any number of critical points
There is no critical point
There is only one critical point

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Cyaniding is the process of

Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness
Obtaining cyanide salts
Dipping steel in cyanide bath
Reacting steel surface with cyanide salts

ANSWER DOWNLOAD EXAMIANS APP