aws cwi part b sample questions

Q:- The dip transfer mode. Of metal transfer uaed for mig/ mag welding is characteristics by

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1. Giving deep penetration
2. Being suitable for position welding
3. Giving low spatter
4. All of the above

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Q:- Which of the following may increase the risk of haz cracking when welding thick section carbon manganese steel?

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1. Slow cooling after welding
2. Low moisture content in the electrode covering
3. Use of a steel grade with a low cev
4. Use of a low heat input