116) Micro structure of a material is generally examined by
Answer is:
optical microscope
Related Engineering Materials MCQ with Answers
Answer is:
the average grain size is a minimum
Explanation:
When low carbon steel is heated up to upper critical temperature The average grain size is a minimum
Answer is:
the grain size increases very rapidly
Answer is:
there is no change in grain size
Explanation:
When low carbon steel is heated up to lower critical temperature There is no change in grain size