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What may be the temperatures of acids used, other than sulphuric acid, in STEM?

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What may be the temperatures of acids used, other than sulphuric acid, in STEM?

(a) 10 ^oC

(b) 21 ^oC

(c) 38 ^oC

(d) 50 ^oC

The question was asked during an interview.

The doubt is from Shaped Tube Electrolytic Machining in section Electrochemical Processes of Advanced Machining

1 Answer

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Best answer
Right option is (b) 21 ^oC

Easiest explanation: Temperature of acids used in STEM, other than sulphuric acid, is about 21 ^oC.

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