Section 5D - Inspection Examination & Testing (API 570 pg 42-43)

Question 1

1. A crack–like indication is detected in a pipe weld using profile RT. Further inspection to determine the magnitude of the imperfection may be accomplished with which of the following NDE techniques?

A. Acoustic emission
B. Weld quality radiography
C. Eddy current
D. Guided wave examination

Answer 1

B. Weld quality radiography

Question 2

2. Environmental cracking is discovered by profile RT of a piping system. Who should evaluate whether this piping component is fit for continued service?

A. Corrosion specialist
B. Piping engineer
C. Both an Inspector and engineer
D. Both Engineer and corrosion specialist
E. Either engineer or corrosion specialist

Answer 2

D. Both Engineer and corrosion specialist

Question 3

3. During an in–service inspection, environmental cracking is discovered in a weld. This imperfection shall be evaluated:

A. To the acceptance criteria of the original construction code
B. To the acceptance criteria of the current ASME VIII
C. To the acceptance criteria of the current API 579
D. By the inspector and engineer

Answer 3

C. To the acceptance criteria of the current API 579

Question 4

4. During an in-service inspection of a piping circuit preferential internal corrosion is discovered in the weld. This discontinuity:

A. Must meet the acceptance criteria of B31.3
B. Must meet the acceptance criteria of B31.3 or the construction code
C. Must be evaluated to API 580
D. It’s acceptable if the pipe has demonstrated 10 years of successful service
E. Must be evaluated by an engineer
F. Can be evaluated by an inspector

Answer 4

F. Can be evaluated by an inspector

Question 5

5. In which of the following situations are Industry–Qualified UT angle beam examiners required? (Open book)

A. External UT to detect interior surface breaking planar flaws
B. Internal UT to detect interior surface breaking planar flaws
C. External UT to detect and size internal pitting
D. Internal UT to detect and size external pitting

Answer 5

A. External UT to detect interior surface breaking planar flaws

Question 6

6. Flange leaks in certain fluids can cause:

A. Galling of bolts and nuts
B. Bolt lengths to shorten
C. Bolts to crack or corrode
D. Bolting stresses to decrease

Answer 6

C. Bolts to crack or corrode

Question 7

7. A flange joint that was clamped and pumped with leak sealant is found to be leaking again. What should be done prior to repumping the flanged joint assembly?

A. Remove the clamped assembly and have the flanged joint inspected
B. Replace all of the flanged joint bolting before re-pumping
C. Ensure that the vendor is using API certified sealant materials
D. Perform the work only after an engineer has approved

Answer 7

B. Replace all of the flanged joint bolting before re-pumping

Question 8

8. Flange bolts are unacceptable if the lack of engagement exceeds:

A. 0 threads
B. 1/2 thread
C. 1 thread
D. 2 threads

Answer 8

C. 1 thread

Question 9

9. Additional guidance on the inspection and repair of flanged joints can be found in: (Open book)

A. ASME PCC – 1
B. ASME section II
C. ASME section VIII, Div 2
D. API 580

Answer 9

A. ASME PCC – 1