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Inconel welds are cleaned after fabrication by submerging in a _________ cold nitric acid solution.(a) 20%(b) 50%(c) 99%(d) 12%I had been asked this question during an interview.Question is taken from Applications and Advantages of Nickel in section Nickel Alloys of Aerospace Materials & Processes

Answer»

The correct ANSWER is (b) 50%

To explain: Inconel welds are corrosion resistant. They are even more corrosion resistant when compared to the ORIGINAL material. Inconel welds are CLEANED after fabrication by SUBMERGING in a 50% cold nitric ACID solution.



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