Try and practice the latest API : API-570 real questions & answers
Updated: Aug 26, 2026
No. of Questions: 150 Questions & Answers with Testing Engine
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API API-570 Exam Overview:
| Certification Vendor: | American Petroleum Institute (API) |
|---|---|
| Exam Name: | API 570 Piping Inspector Certification Exam |
| Exam Number: | API-570 |
| Available Languages: | English |
| Exam Format: | Computer-Based Testing (CBT), Multiple-choice questions, Closed-book section, Open-book section with digital reference codes |
| Exam Duration: | 450 (275 closed-book + 45 min break + 225 open-book) |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 170 (110 closed-book, 60 open-book; 140 scored, 30 pretest) |
| Related Certifications: | API 580 Risk-Based Inspection API 579 Fitness-for-Service API 653 Storage Tank Inspector API 510 Pressure Vessel Inspector |
| Passing Score: | 400 scaled score out of 500 |
| Exam Price: | $875 (API member), $1,125 (non-member) |
| Recommended Training: | API Official Study Resources API 570 Body of Knowledge |
| Exam Registration: | API ICP Application Portal Prometric Exam Scheduling |
| Sample Questions: | API API-570 Sample Questions |
| Exam Way: | In-person proctored computer-based testing at Prometric centers worldwide |
| Pre Condition: | BS/Engineering: 1 year inspection experience; 2-year tech degree: 2 years; High school: 3 years; No formal education: 5+ years; All require ≥1 year inspection-related work within last 10 years |
| Official Syllabus URL: | https://www.api.org/certifications/individual-certification-programs/570 |
API API-570 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Inspection Planning & Practices | 17% | - Inspection records & documentation - Thickness measurement locations - Inspection scope & frequency - NDT methods & application |
| Components & Pressure Relieving Devices | 12% | - Valves, flanges, fittings & gaskets - Pressure relief devices inspection - Piping system flexibility & supports |
| Welding Qualification & Inspection | 13% | - Weld examination & acceptance criteria - WPS, PQR & WPQ review - ASME Section IX requirements |
| Repairs, Alterations & Rerating | 14% | - Compliance with API 570 & ASME standards - In-service welding rules - Rerating procedures - Temporary & permanent repairs |
| Damage Mechanisms & Materials | 16% | - Positive Material Identification (PMI) - Material properties & limitations - Corrosion types (uniform, localized, CUI) - Stress corrosion cracking & sulfidation |
| Testing & Code Compliance | 7% | - ASME B31.3 process piping rules - API 570 scope & responsibilities - Hydrostatic & pneumatic testing |
| Data Evaluation & Calculations | 21% | - Corrosion rate & remaining life calculations - Weld & casting quality factors - Minimum required thickness & MAWP - Inspection interval determination |
API Piping Inspector Sample Questions:
Question 1
What does the acronym MAWP refer to?
A. Maximum external pressure permitted in the piping system
B. Maximum internal pressure permitted in the piping system
C. Maximum external stress permitted in the piping system
D. Minimum internal pressure permitted in the piping system
Question 2
A piping system that operates at a design pressure of 100 psi at 950? F was originally built from NPS 20 EFW (100% radiographed), ½" wall, A-516 Grade 70, A-671 material. During the last Inspection, the thickness was determined to be 0.370 inches. The records indicated the corrosion rate to be 0.009 inches per year.
What is MAWP if the next inspection is planned in 5 years?
A. Not enough information given
B. 126 psi
C. 98.23 psi
D. 285.17 psi
Question 3
Geometric unsharpness of the radiograph of a component under 2" th1ck shall not exceed
A. 0.030"
B. 0.050"
C. 0.020"
D. 0.040"
Question 4
With respect to a Class 400, NPS 12 slip on raised face flange, whose edges of the gasket do not extend to the bolt, what is the outside diameter of the gasket?
A. 15.00"
B. 12.75"
C. 16.50"
D. 18.00"
Question 5
Piping subject to CUI includes piping insulated for personnel protection, especially:
A. plastic piping
B. carbon steel piping systems
C. carbon steel piping systems operating between 25°F-250°F
D. glass lined piping
Solutions:
| Question 1 Answer: B | Question 2 Answer: B | Question 3 Answer: C | Question 4 Answer: A | Question 5 Answer: C |
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