INTERVIEW QUESTIONS
ASME SECTION IX : WELDING
1. Is WPS, PQR or WPQ/WOPQ need to be amended for using it according to a later edition of ASME BPV Section IX?
Answer: No. Except as specified in QW:420 (Last Paragraph)
2. What are the different type of mechanical tests used in procedure or performance qualification as per ASME Section IX?
Answer: 1. Tension test. 2. Guided bend test. 3. Fillet weld test 4. Notch toughness test
3. Why the different mechanical tests are conducted for procedure or performance qualification as oer ASME Section IX?
Answer:
1. Tension test: Used to determine the ultimate strength of
groove-weld joints
2. Guided bend test: Used to determine the degree of soundness and ductility of groove-weld joints.
3. Fillet weld test: Used to determine the size , contour and degree of soundness of fillet welds.
4. Notch toughness test: Used to determine the notch toughness of the weldment
4. What are the tests done for stud welding procedure and performance qualification ?
Answer: Deflection bend, hammering, torque or tension tests and macro examination.
5. What is the first test that to be done on a procedure or performance qualification test coupon ?
Answer: Visual Testing.
Comments
Post a Comment