engineering recuitment DVC Junior Engineer Mock Test 2024 Production Engineering (Manufacturing) Metal Forming Hot Working and Cold Working
Which of the following statements is true about hot working process?
1
All hot working processes must be done above local environment temperature.
2
Hot working process of tin is also a cold working process.
3
It is a process of working above recrystallisation temperature of the materials.
4
It is a process of working above room temperature.