Showing posts with label API 1104 Exam Preparation. Show all posts
Showing posts with label API 1104 Exam Preparation. Show all posts

Wednesday 8 May 2019

Sunday 10 September 2017

Q:-Lineup clamps shall be used for butt welds in accordance with the procedure specification. When it is permissible to remove the lineup clamp before the root bead is completed:

1. The completed part of the bead shall be in approximately equal segments spaced approximately equally around the circumference of the joint. 
2. The completed part of the bead shall be removed and rewelded after removing the clamp. 
3. The completed part of the bead shall be peened before removing the clamp. 
4. The completed part of the bead shall be at least 4 inches long for all pipe sizes 
5. None of the Above

Tuesday 6 June 2017

Q:- For procedure qualification, the exposed surfaces of each nick-break specimen shall show:

1. No slag inclusions over 1/4 inch 
2. At least 3/4 inches of sound weld metal between inclusions 
3. Complete penetration and fusion 
4. The tensile strength of the sample 

Tuesday 2 May 2017

Q:- For pipe ends of the same nominal wall thickness, the alignment offset requirement is:

1. Not more than 1/4 inch
2. Not more than 1/8 inch 
3. Not more than 1/32 inch 
4. If misalignment is larger than 1/16 inch due to dimensional variations, it shall be equally 
distributed around the circumference of the pipe.
5. None of the above

Sunday 2 April 2017

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

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