Exam Name: Piping Inspector
Certification Provider: API
Corresponding Certification: Individual Certification Programs
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Piping Inspector: API-570 Exam
"Piping Inspector", also known as API-570 exam, is a API Certification. With the complete collection of questions and answers, iPassleader has assembled to take you through 150 Q&As to your API-570 Exam preparation. In the API-570 exam resources, you will cover every field and category in Individual Certification Programs Certification helping to ready you for your successful API Certification.
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- Updated on: Oct 17, 2026
- No. of Questions: 150 Questions & Answers
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- Updated on: Oct 17, 2026
- No. of Questions: 150 Questions & Answers
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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 |
| Real Exam Qty: | 170 (110 closed-book, 60 open-book; 140 scored, 30 pretest) |
| Passing Score: | 400 scaled score out of 500 |
| Exam Format: | Multiple-choice questions, Open-book section with digital reference codes, Computer-Based Testing (CBT), Closed-book section |
| Related Certifications: | API 510 Pressure Vessel Inspector API 653 Storage Tank Inspector API 579 Fitness-for-Service API 580 Risk-Based Inspection |
| Exam Price: | $875 (API member), $1,125 (non-member) |
| Available Languages: | English |
| Exam Duration: | 450 (275 closed-book + 45 min break + 225 open-book) |
| Certificate Validity Period: | 3 years |
| Recommended Training: | API Official Study Resources API 570 Body of Knowledge |
| Exam Registration: | API ICP Application Portal Prometric Exam Scheduling |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
|---|---|---|
| Topic 1: Welding Qualification & Inspection | 13% | - WPS, PQR & WPQ review - Weld examination & acceptance criteria - ASME Section IX requirements |
| Topic 2: Components & Pressure Relieving Devices | 12% | - Pressure relief devices inspection - Piping system flexibility & supports - Valves, flanges, fittings & gaskets |
| Topic 3: Repairs, Alterations & Rerating | 14% | - Compliance with API 570 & ASME standards - Temporary & permanent repairs - In-service welding rules - Rerating procedures |
| Topic 4: Damage Mechanisms & Materials | 16% | - Corrosion types (uniform, localized, CUI) - Positive Material Identification (PMI) - Stress corrosion cracking & sulfidation - Material properties & limitations |
| Topic 5: Data Evaluation & Calculations | 21% | - Corrosion rate & remaining life calculations - Weld & casting quality factors - Minimum required thickness & MAWP - Inspection interval determination |
| Topic 6: Testing & Code Compliance | 7% | - ASME B31.3 process piping rules - API 570 scope & responsibilities - Hydrostatic & pneumatic testing |
| Topic 7: Inspection Planning & Practices | 17% | - Inspection records & documentation - Inspection scope & frequency - NDT methods & application - Thickness measurement locations |
API-570 Exam FAQ: Updates, Speed, Simulation
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 150 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The API Piping Inspector exam contains 170 (110 closed-book, 60 open-book; 140 scored, 30 pretest) to complete within 450 (275 closed-book + 45 min break + 225 open-book). Timed simulation in the iPassleader Desktop Test Engine teaches that rhythm before exam day does.
The official API Piping Inspector outline defines 7 domains. The leading three are Inspection Planning & Practices (17%), Damage Mechanisms & Materials (16%), and Welding Qualification & Inspection (13%). The full list is in the topics section above, and iPassleader's 150 practice questions cover each one.
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 Since requirements change over time, confirm the latest on the official API exam page before scheduling.
The API Piping Inspector exam requires 400 scaled score out of 500 to pass, and registration costs $875 (API member), $1,125 (non-member). A failed attempt means paying the same fee again — a readiness check with the iPassleader engines before booking is the cheaper option.
The API-570 exam is a API certification exam validating the API Piping Inspector syllabus shown above. It belongs to these credential paths: API 510 Pressure Vessel Inspector, API 653 Storage Tank Inspector, API 580 Risk-Based Inspection, API 579 Fitness-for-Service. Candidates in 2026 start with iPassleader's 150 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
API recommends these training resources for the API Piping Inspector exam:
Follow the training with steady self-testing — the 150 practice questions from iPassleader help you apply theory and fill any gaps the training leaves.
iPassleader issues a full refund if you take the API Piping Inspector exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
In-person proctored computer-based testing at Prometric centers worldwide Register for the API Piping Inspector exam through these official channels:
After booking, iPassleader delivers your practice questions within 1 minute — preparation starts the same day.
API Piping Inspector Sample Questions:
Appropriate permanent and progressive records on each piping system shall include.
- A. original heat and batch numbers
- B. all jurisdictional requirements
- C. all original construction data
- D. system service; classification; identification numbers
Correct Answer: D 🗳️
What is the prescribed alignment for the inside surfaces of circumferential welds to be groove welded?
- A. Within the dimensional limits in the WPS
- B. ? 1/32"
- C. The fabricator's discretion
- D. ? 1/16"
Correct Answer: A 🗳️
The preheat zone shall extend beyond each edge of a pipe weld
- A. 2"
- B. 1"
- C. 3T
- D. 2T
Correct Answer: B 🗳️
What is the pressure design thickness of NPS10A516 Gr.65 Type 22 pipe that operateat 1200psig/750°F
- A. 0.928"
- B. 0.46"
- C. 0.432"
- D. Not enough in formation given
Correct Answer: B 🗳️
Repair materials shall be verified for conformance to the applicable code and shall be compatible with the original material by the.
- A. repair organization
- B. the purchasing department
- C. inspector
- D. piping engineer
Correct Answer: C 🗳️
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