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Instant Download API : API-570 Questions & Answers as PDF & Test Engine
- Exam Code: API-570
- Exam Name: Piping Inspector
- Updated: Sep 01, 2026
- No. of Questions: 150 Questions and Answers
- Download Limit: Unlimited
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API API-570 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Welding Qualification & Inspection | 13% | - Weld examination & acceptance criteria - ASME Section IX requirements - WPS, PQR & WPQ review |
| Repairs, Alterations & Rerating | 14% | - Rerating procedures - In-service welding rules - Temporary & permanent repairs - Compliance with API 570 & ASME standards |
| Inspection Planning & Practices | 17% | - Inspection scope & frequency - Thickness measurement locations - Inspection records & documentation - NDT methods & application |
| Components & Pressure Relieving Devices | 12% | - Valves, flanges, fittings & gaskets - Piping system flexibility & supports - Pressure relief devices inspection |
| Testing & Code Compliance | 7% | - ASME B31.3 process piping rules - API 570 scope & responsibilities - Hydrostatic & pneumatic testing |
| Damage Mechanisms & Materials | 16% | - Material properties & limitations - Corrosion types (uniform, localized, CUI) - Positive Material Identification (PMI) - Stress corrosion cracking & sulfidation |
| Data Evaluation & Calculations | 21% | - Weld & casting quality factors - Inspection interval determination - Minimum required thickness & MAWP - Corrosion rate & remaining life calculations |
API Piping Inspector Sample Questions:
Question 1
Austenitic stainless steel piping systems operating between 150°F-400°F are susceptible to:
A. temper embrittlement
B. Both B and C
C. chloride stress corrosion cracking
D. CUI
Question 2
During a MT examination, shall be performed on each area.
A. prod spacing of at least
B. 100% coverage at the required sensitivity
C. a calibration of each piece of magnetizing equipment
D. at least three separate examinations
Question 3
Geometric unsharpness of the radiograph of a component under 2" th1ck shall not exceed
A. 0.040"
B. 0.030"
C. 0.020"
D. 0.050"
Question 4
A visual examination of performance test coupons shall_______.
A. be allowed one 5/32" crater crack
B. show no more than 1/3t inadequate penetration
C. show complete joint penetration and complete fusion of weld metal and base metal
D. show no more than 1/3t non fusion
Question 5
The preheat zone shall extend beyond each edge of a pipe weld
A. 3T
B. 2T
C. 2"
D. 1"
Solutions:
| Question 1 Answer: B | Question 2 Answer: B | Question 3 Answer: C | Question 4 Answer: C | Question 5 Answer: D |
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