M Mr. Dubey • 100.64K Points Coach Q. Which of the following metals must be tested with low halogen sulphur free penetrant materials: (A) Copper, silver, gold (B) Nickel based alloys, certain stainless steel materials (C) Steel, iron, aluminium (D) Plastic, wood, paper Correct Answer - Option(D) Views: 454 Filed under category Non Destructive Testing and Evaluation Share
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