engineering recuitment GATE ME 2023-24 Test Series Production Engineering (Manufacturing) Machining Processes and Machine Tools Unconventional Machining Processes
In an ECM process for machining iron it is desired to obtain a metal removal rate of 1 cm3/min. Atomic weight of iron = 56 gm, valency = 2, density of iron = 7.8 gm/cm3, F = 1609 amp-min. The amount of current required in the process is
1
228 amp
2
276 amp
3
336 amp
4
448 amp