engineering recuitment HPCL Engineer Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools
Tool materials in the increasing order of red hardness is
1
HSS, Plain carbon steel, Carbides, Ceramics
2
Carbides, HSS, Ceramics, Plain carbon steel
3
Plain carbon steel, HSS, Carbides, Ceramics
4
Ceramics, Plain carbon steel, Carbides, HSS