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At the end of pulse, super-heated metal evaporates _______________

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in Advanced Machining by (962k points)
At the end of pulse, super-heated metal evaporates _______________

(a) Explosively

(b) Normally

(c) Periodically

(d) Occasionally

I got this question in an internship interview.

This interesting question is from EDM-Mechanism of Material Removal in division Thermal Processes of Advanced Machining

1 Answer

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Best answer
Correct option is (a) Explosively

Easy explanation: At the end of pulse, pressure drops suddenly and super-heated metal evaporates explosively.

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