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Which of the following specifications of the specimen is must increase the reliability of a corrosion test?(a) Chemical composition(b) Fabrication history(c) Metallurgical history(d) Chemical composition, fabrication history, and metallurgical historyThis question was addressed to me during an interview.Question is from Testing topic in portion Corrosion Testing of Corrosion Engineering

Answer»

The correct answer is (d) CHEMICAL composition, fabrication HISTORY, and metallurgical history

Easiest EXPLANATION: Exact chemical composition, fabrication history, and metallurgical history of a specimen are must increase the reliability of a corrosion test. Specimen with 1/16 to ¼ inch THICK, 1 inch WIDE, and 2-inch-long are commonly employed for laboratory testing.



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