uring the electrochemical machining (ECM) of iron (atomic weight = 56, valency= 2) at current of 1000 A with 90% current efficiency, the material removal rate was observed to be 0.26 cc/s. It Titanium (atomic weight = 48. valency = 3) is machined by the ECM process at the current of 2000 A with 90% current efficiency, the expected material removal rate in gm/s will be...  (a) 0.11 (b) 0.23

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Solidification of metals

The term solidification indicates the conversion of material from the state of liquid to the state of solid. The solid-state is more compact and rigid than liquid, and the solidification indicates the transformation of material from a random state to a more compact and crystalline form. The point at which dendrite formation in liquid starts taking place is referred to as the solidification point.