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API API-570 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Damage Mechanisms & Materials | 16% | - Corrosion types (uniform, localized, CUI) - Stress corrosion cracking & sulfidation - Positive Material Identification (PMI) - Material properties & limitations |
| Data Evaluation & Calculations | 21% | - Corrosion rate & remaining life calculations - Minimum required thickness & MAWP - Inspection interval determination - Weld & casting quality factors |
| Testing & Code Compliance | 7% | - Hydrostatic & pneumatic testing - ASME B31.3 process piping rules - API 570 scope & responsibilities |
| Inspection Planning & Practices | 17% | - Inspection records & documentation - NDT methods & application - Thickness measurement locations - Inspection scope & frequency |
| Repairs, Alterations & Rerating | 14% | - In-service welding rules - Rerating procedures - Temporary & permanent repairs - Compliance with API 570 & ASME standards |
| Components & Pressure Relieving Devices | 12% | - Pressure relief devices inspection - Piping system flexibility & supports - Valves, flanges, fittings & gaskets |
| Welding Qualification & Inspection | 13% | - WPS, PQR & WPQ review - Weld examination & acceptance criteria - ASME Section IX requirements |
API Piping Inspector Sample Questions:
Question 1
The downstream limit of the injection point circuit is the second change in flow direction past the injection point or:
A. 25 feet beyond the first change
B. 100 feet, if the pipe is straight run
C. No downstream requirement
D. 50 feet beyond the first change
Question 2
Penrtrameters (IQls) shall either be____or_____and shall be manufactured and identified in accordance with ASME.
A. pica-type elite-type
B. hole-type wire-type
C. step wedge calibration block
D. black-type white-type
Question 3
For a single wall material thickness, over 0.375" through 0.50", what is the hole type designation for a source side penetrameter
A. 25
B. 20
C. 15
D. 17
Question 4
What is the root face limitation as listed on the attached WPS and PQR
A. 3/32"
B. 1/8"
C. Not designated
D. No limit
Question 5
On the regularly furnished Class 300 raised face flange, what is the height of the raised face?
A. 0.25"
B. 0.06"
C. 0.19"
D. 0.09"
Solutions:
| Question 1 Answer: A | Question 2 Answer: B | Question 3 Answer: D | Question 4 Answer: C | Question 5 Answer: B |






