api 1104 20th edition free download

Q:- When pipe is welded above ground, the working clearance around the pipe at the weld should be at least:

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A. 12 inches 

B. 16 inches 

C. 20 inches 

D. 24 inches 

E. 30 inches


Q:- For welder qualification, the specimens shall be prepared for tensile-strength, nick-break, and bend tests. When tensile-strength tests are omitted:

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1. The welder is not qualified
2. The weld must be redone
3. The is not covered in API 1104
4. Tensile-Strength specimens shall be subject to the nick-break test
5. Extra face bends must be tested