welding quiz questions and answers

Q:- A high level of surface cleaning is important prior to penetrant testing in order to

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A. The reduce the amount of penetrate used
B. Reduce the level of false identification
C. Ensure a good bound for the developer
D. Improve the viscosity of the penetrate


Q:- Which of the following may be added to an electrode flux to act as a stabiliser?

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1. Manganese
2. Silicon
3. Sodium silicate
4. Titanium dioxide

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