[Solved] Which of the following come under the main components of ECM?

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Q.	Which of the following come under the main components of ECM?
A.	feed control system
B.	work piece holding devices
C.	electrolyte supply system
D.	all of the mentioned
Answer» D. all of the mentioned
Explanation: the main components of electro chemical machining include feed control system, electrolyte supply system, power supply unit, work piece holding devices.

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