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In Electro discharge machining, materials with low melting point have which type of surface roughness?(a) Rough(b) Smooth(c) Fine(d) All of the mentionedThis question was addressed to me during an internship interview.My enquiry is from EDM-Material Removal Rate topic in chapter Thermal Processes of Advanced Machining

Answer»

The correct answer is (a) Rough

The EXPLANATION: In ELECTRO discharge MACHINING, materials having low melting POINT have high rougher SURFACES and vice-versa.



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