1.

It is difficult to machine inner radii smaller than __________ and outer radii less than ________ in ECM.(a) 0.1 mm, 0.2 mm(b) 0.5 mm, 0.8 mm(c) 0.8 mm, 0.5 mm(d) 0.2 mm, 0.1 mmI had been asked this question at a job interview.My doubt stems from ECM-Process Characteristics in portion Electrochemical Processes of Advanced Machining

Answer»

Correct option is (c) 0.8 MM, 0.5 mm

To elaborate: It is difficult to MACHINE inner RADII < 0.8mm and OUTER radii < 0.5mm.



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