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4 days ago
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⚙️ Welding / CSWIP
MCQ

Inspection for hydrogen cracking is often specified to be done between 48 to 72 hrs after completion of the weld, this is because?
Easy Welding / CSWIP English XP +10
A The stress level will have reduced by then B it is the maximum time it takes for all the H2 to diffuse out of the weld C Usually after 48 hrs such cracking is unlikely to occur D It is to ensure the weld has properly cooled down to ambient temperature
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AskChainX Admin
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4 days ago
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⚙️ Welding / CSWIP
MCQ

The correct joint preparaton is very important since it decides the volume of weld metal to be used,,high volumes of weld metal deposited can
Easy Welding / CSWIP English XP +10
A increase residual stress B be useful since the joint will have beter strength C give a longer service life D give superior corrosion resistance
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AskChainX Admin
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4 days ago
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⚙️ Welding / CSWIP
MCQ

Basic electrodes are often sold vacuum packed. The reason is?
Easy Welding / CSWIP English XP +10
A They have been packed at the manufacturers at a hydrogen level less than 15 ml/100 g of weld metal deposited B They are mass produced which makes these electrodes cheap C They are formulated that once open they will pick up no more moisture D all of the above
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