Q76
In electro discharge machining, tool is made of
A.
Brass
B.
Copper
C.
Copper tungsten alloy
D.
All of these
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
EDM involves the direction of high-frequency electrical spark discharges from a graphite or soft metal tool, which serves as an electrode, to disintegrate electrically conductive materials such as hardened steel or carbide.