

InterviewSolution
Saved Bookmarks
1. |
When was the first significant development of ECM occurred?(a) 1920s(b) 1930s(c) 1950s(d) 1960sI had been asked this question in exam.Asked question is from Electro Chemical Machining-Introduction and Principle of electrolysis topic in chapter Electrochemical Processes of Advanced Machining |
Answer» The correct OPTION is (c) 1950S |
|