railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools Unconventional Machining Processes
In an ultrasonic machining process, the material removal rate increases with
1
Increase in the frequency and increase in the amplitude of vibration
2
Increase in the frequency and decrease in the amplitude of vibration
3
Decrease in the frequency and increase in the amplitude of vibration
4
Decrease in the frequency and decrease in the amplitude of vibration