state gov TSPSC Polytechnic Lecturer Mock Test 2022 Production Engineering (Manufacturing) Machining Processes and Machine Tools
Consider the following statements: Chipping of a cutting tool is due to
1. Tool material being too brittle
2. Hot hardness of the tool material is low
3. High positive rake angle of the tool
Which of these statements are correct?
1
1, 2 and 3
2
1 and 3
3
2 and 3
4
1 and 2