Section 6A- Interval & Extent Of Inspection (API 570 pg 43-46) Flashcards
- If an inspection is NOT completed by its due date, it:
A. It’s considered overdue
B. Must be assessed for risk
C. Must be assessed for fitness for service
D. Requires a scapegoat, the inspector must be fired!
A. It’s considered overdue
- During an alteration, a new piping system is installed. An API 570 inspector shall inspect piping at the time of installation. Which of the following is NOT required during this inspection?
A. Verify the pipe metallurgy is correct
B. Verify the design calculations
C. Verify shoes and hangers are properly installed
D. Verify whether the pressure-relieving devices are correct
E. Initiate the piping inspection records
B. Verify the design calculations
- When a new pipe is installed, API 570 recommends that base–line thickness readings be obtained. Why?
A. These will provide a more accurate corrosion rate
B. These will provide a more accurate remaining life
C. This will provide a more accurate interval for the thickness inspection
D. All of the above
D. All of the above
- The inspection intervals must be reviewed whenever changes occur that could affect the degradation of the pipe. In which of the following situations is a review of the inspection intervals NOT needed?
A. Operating temperature increases
B. Operating pressure decreases
C. Operating pressure increases
D. Fluid composition changes 
B. Operating pressure decreases
- When must a piping always be inspected?
A. Whenever there is a change in fluid service
B. Whenever the ownership of the piping changes
C. Whenever the location of the piping changes
D. Whenever the ownership and the location change
E. Whenever the ownership or the location change
D. Whenever the ownership and the location change
- The API 570 piping classification is based on:
A. Consequence of failure.
B. Probability of failure.
C. Either consequence or probability of failure
D. Risk 
A. Consequence of failure.
- Which of the following is NOT determined by an RBI assessment?
A. Extent of next inspection.
B. Inspection interval.
C. Pipe’s maximum allowed working pressure 
D. Type and amount of NDE at the next inspection
C. Pipe’s maximum allowed working pressure
- If an RBI process is NOT used, who is responsible to set inspection intervals for piping systems? (Two answers – code conflict.)
A. Authorized inspector
B. Owner/user or piping engineer
C. Engineer or inspector
D. Inspector or corrosion specialist
E. Owner/user or inspector
C. Engineer or inspector
&
E. Owner/user or inspector
- A class 2 Circuit has a remaining life of 3 years. What is the maximum interval for the thickness measurement inspection?
A. 1 year
B. 1.5 years
C. 2 years
D. 3 years
E. Lesser of 1/2 life or 5 years
F. Lesser of 1/2 life for 10 years
C. 2 years
- A class 1 circuit has a remaining life of 1.5 years. What is the maximum interval for the thickness measurement inspection?
A. 0.75 years
B. 1 year
C. 1.5 years
D. 2 years
C. 1.5 years
- What is the maximum interval for an external inspection of a class 1 piping circuit?
A. 3 years
B. 5 years
C. 10 years
D. Lesser of 1/2 life or 5 years
E. Lesser of 1/2 life or 10 years
B. 5 years
- The maximum interval for thickness measurements on a class 1 piping circuit is:
A. 3 years
B. 5 years
C. 10 years
D. Lesser of 1/2 life or 5 years
E. Lesser of 1/2 life or 10 years
D. Lesser of 1/2 life or 5 years
13.The maximum interval for the External inspection of a class 2 piping circuit is:
A. 3 years
B. 5 years
C. 10 years
D. Lesser of 1/2 life or 5 years
E. Lesser of 1/2 life or 10 years
B. 5 years
- The maximum interval for Thickness measurements on a class 2 piping is:
A. 3 years
B. 5 years
C. 10 years
D. Lesser of 1/2 life or 5 years
E. Lesser of 1/2 life or 10 years
E. Lesser of 1/2 life or 10 years
- The maximum interval for the External inspection of a class 3 piping circuit is:
A. 3 years
B. 5 years
C. 10 years
D. Lesser of 1/2 life or 5 years
E. Lesser of 1/2 life or 10 years
C. 10 years