1. Why are the nontraditional material removal processes important?
2. There are four categories of nontraditional machining processes, based on principal energy form. Name the four categories.
3. How does the ultrasonic machining process work?
4. Describe the water jet cutting process.
5. What is the difference between water jet cutting, abrasive water jet cutting, and abrasive jet cutting?
6. Name the three main types of electrochemical machining.
7. Identify the two significant disadvantages of electrochemical machining. 4. How does increasing discharge current affect metal removal rate and surface finish in electric discharge machining?