railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools Unconventional Machining Processes
Which one of the following is closest to the temperatures used in plasma arc cutting?
1
2750°C (5000°F)
2
5500°C (10000°F)
3
8300°C (15000°F)
4
11000°C (20000°F)