Understanding API ICP653 Reading 15-Worksheet-11a
Q84. A welder qualified to weld in the 2G position on pipe would have to be qualified in which of the addiiional positions to qualify for all position groove welding on pipe? A. 1G B. 2G C. 5G D. 6G E All of the above ANS: C Q85. The maximum preheat temperature decrease allowed without requalification of a GMAW groove weld procedure is: A. 50°F B. 100 o F C. 125 o F D. 150 o F E. None of the above ANS: b Charlie Chong/ Fion Zhang
Q86. A welder is qualified to weld all thicknesses of material when: A. The test is any thickness above 3/8 inch B. The test thickness was 1/2 inch C. The test thickness was 3/4 inch or over D. The test pipe wall thickness was 5/8 inch and nominal pipe size was over ½ inches E. None of the above ANS: b? 87. What is the maximum defect permitted on the convex surface of a welder qualification bend test after bending , except for corner cracks and corrosion resistant weld overlay? A. ¼ inch B. 1/8 inch C. 1/16 inch D. 3/16 inch E. No defects are allowed ANS: b Charlie Chong/ Fion Zhang
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Q86. A welder is qualified to weld all thicknesses of material when:<br />
A. The test is any thickness above 3/8 inch<br />
B. The test thickness was 1/2 inch<br />
C. The test thickness was 3/4 inch or over<br />
D. The test pipe wall thickness was 5/8 inch and nominal pipe size was over<br />
½ inches<br />
E. None of the above<br />
ANS: b?<br />
87. What is the maximum defect permitted on the convex surface of a welder<br />
qualification bend test after bending , except for corner cracks and<br />
corrosion resistant weld overlay?<br />
A. ¼ inch<br />
B. 1/8 inch<br />
C. 1/16 inch<br />
D. 3/16 inch<br />
E. No defects are allowed<br />
ANS: b<br />
Charlie Chong/ Fion Zhang
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