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Mr. Dubey • 100.64K Points
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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
  • Correct Answer - Option(D)
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  • Filed under category Metallurgy
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