Advanced Machining and Processes Practice Test 7

1. In EDM, electrode polarity depends up on which of the following components?

2. At the end of pulse, super-heated metal evaporates _______________

3. What are the values of temperature that are obtained while machining using EDM?

4. In addition to the feed of tool, Electro discharge machining tool can have which type of motion?

5. What happens to the crater size if we decrease the pulse time keeping the current constant?

6. Cavities with, which of the following factors can be produced using Electro discharge machining?

7. Metal is removed on which of the components in electro discharge machining?

8. How much extra tolerances are achieved when we choose proper variables?

9. State whether the following statement is true or false regarding EDM.
“In EDM, process is affected by hardness of material.”

10. State whether the following statement is true or false regarding wear in EDM.
“In EDM, electrode wear is less dominant when it comes to micromachining applications.”