Q. Uniformity of zinc coating on pipes is tested by

(A) Dipping the sample in water
(B) Dipping the sample for 10 minutes in calcium hydroxide solution
(C) Dipping the sample for 1 minute in conc, hydrochloric acid
(D) Dipping the sample for 1 minute in neutral copper sulphate solution

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✅ Correct Answer: (D) Dipping the sample for 1 minute in neutral copper sulphate solution

Published by Mr. Dubey ⭐ 111.54K Points at 21-Sep-2023 06:47 pm in Metallurgy

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