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API API-570 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Components & Pressure Relieving Devices | 12% | - Piping system flexibility & supports - Valves, flanges, fittings & gaskets - Pressure relief devices inspection |
| Topic 2: Welding Qualification & Inspection | 13% | - Weld examination & acceptance criteria - ASME Section IX requirements - WPS, PQR & WPQ review |
| Topic 3: Repairs, Alterations & Rerating | 14% | - In-service welding rules - Compliance with API 570 & ASME standards - Temporary & permanent repairs - Rerating procedures |
| Topic 4: Testing & Code Compliance | 7% | - ASME B31.3 process piping rules - API 570 scope & responsibilities - Hydrostatic & pneumatic testing |
| Topic 5: Inspection Planning & Practices | 17% | - NDT methods & application - Thickness measurement locations - Inspection scope & frequency - Inspection records & documentation |
| Topic 6: Data Evaluation & Calculations | 21% | - Weld & casting quality factors - Corrosion rate & remaining life calculations - Minimum required thickness & MAWP - Inspection interval determination |
| Topic 7: Damage Mechanisms & Materials | 16% | - Material properties & limitations - Stress corrosion cracking & sulfidation - Corrosion types (uniform, localized, CUI) - Positive Material Identification (PMI) |
API Piping Inspector Sample Questions:
1. A qualified welder may seal weld a threaded joint if_______.
A) the joint has straight threads only
B) the joint has tapered threads only
C) the joint is leaking
D) all exposed threads are covered
2. During a MT examination, shall be performed on each area.
A) at least three separate examinations
B) prod spacing of at least
C) a calibration of each piece of magnetizing equipment
D) 100% coverage at the required sensitivity
3. Actively engaged as an authorized piping inspector shall be defined as a minimum of time spent performing inspection activities.
A) 50%
B) 40%
C) 30%
D) 20%
4. With respect to Category 'D' service, what is the maximum allowable undercut for a branch connection?
A) £ 1/32"
B) Both B and C
C) £ 1 mm
D) Zero (no evident imperfections)
5. Determine the MAWP of the following piping system, at the next inspection, based on the following Design pressure/temperature Pipe description Outside diameter of pipe, D Thickness determined from Inspection Observed Corrosion Rate Next planned inspection 100 psig/750°F NPS 6, A285 C EFW, Straight Seam(No radiography) 6 5/8" 0.280"
0.01 inches/year 5 Years
MAWP=
A) 125 psig
B) 487 psig
C) 522 psig
D) 878 psig
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: C |




