(i)
The wire cut EDM process requires
(a) lower initial investment
b) lesser cutting forces
(c) a skilled operator
(d) a coolant pump
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Explanation: In wire-cut EDM (WEDM), the wire which is constantly fed from a spool, is held between upper and lower diamond guides. ... Explanation: The wire-cut EDM process requires lesser cutting forces in material removal; hence it is generally used when lower residual stresses in the workpiece are desired.
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