Question
Which of these processes involve(s) melting in metallic workpieces?
Options :
Electrochemical machining
Electrochemical machining
Electrochemical machining
Electron beam machining
Answer :
Electrochemical machining
Electrochemical machining
Electron beam machining
Solution :
In, electron beam machining, electrical discharge machining and Laser beam machining, involves melting in metallic workpiece. Hence, the correct option is (B,C,D).
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