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⚙️ Welding / CSWIP
MCQ

At what level the hardness value a problem when trying to minimize the risk of H2 cracking?
Easy Welding / CSWIP English XP +10
A The stress level has no influence on H2 cracking B The stress levels will need to be between 30 to 40% of the material yield stress C The stress level will need to be greater than 50% of material yield stress D The stress levels will need to be greater than 75% of the material U.T.B
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⚙️ Welding / CSWIP
MCQ

Which of the following electrode types will produce the lowest level of hydrogen?
Easy Welding / CSWIP English XP +10
A cellulose coated electrodes sealed in a tin immediately after manufacture B basic coated electrodes when baked correctly immediately prior to use C rutile coated electrodes when baked correctly immediately prior to use D heavy rutile coated electrodes when dried at 180°C for 2 hours prior to use
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⚙️ Welding / CSWIP
MCQ

To prevent hydrogen cracking which of the following will require the lowest preheat if all other factors were the same as per IBO (B EN 1011)?
Easy Welding / CSWIP English XP +10
A MMA welding with cellulose coated electrodes B MMA welding with rutile coated electrodes C MMA welding with heavy rutile coated electrodes D MAG welding with solid wire
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⚙️ Welding / CSWIP
MCQ

Rutile electrodes are often sold packed in a cardboard box covered with a plastic film. Upon opening you found they were damp and the ends were rusty. What course of action would y

Rutile electrodes are often sold packed in a cardboard box covered with a plastic film. Upon opening you found...
Easy Welding / CSWIP English XP +10
A use them as rutile electrodes are only for general purpose welding B re-dry them at 125°C and issue to the shop floor C quarantine them D only use them for tack welding
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⚙️ Mechanical Engineering 439 public questions
⚙️ Welding / CSWIP Mechanical Engineering / 439 public questions

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