Understanding API ICP653 Reading 15-Worksheet-11a
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Q2. Under what conditions may a WPS that has been qualified without notch toughness may be used for applications where they are applicable? (a) Qualification without notch toughness qualifies the procedure with notch toughness requirements. (b) After the procedure has been requalified to include the notch toughness requirements. (c) After preparing an additional test coupon using the same essential variables, but additionally with all the required supplementary essential variables, in a coupon long enough to provide the necessary specimens. ANS: c Q3. What effect did the 1974 Edition have on material in the 1971 Edition when new PNo.’s, or the assignment to different subgroups within a P-No. were given? (a) Procedure and performance qualifications continued to be valid based on the new P-No. designations. (b) Required re-quafification of those welding procedures. (c) Required re-qualification of welders and welding operators. ANS: a Charlie Chong/ Fion Zhang
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