Exam Name: Piping Inspector
Certification Provider: API
Corresponding Certification: Individual Certification Programs
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- Total Questions: 150
- Updated on: Oct 17, 2026
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- Total Questions: 150
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- Total Questions: 150
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A useless study guide does worse than waste money — it spends your limited hours on points the exam never tests. Actual4dump analyzes frequently tested content and builds the API Piping Inspector bank around it: 150 practice questions aimed where it counts.
API API-570 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Evaluation & Calculations | 21% | - Weld & casting quality factors - Corrosion rate & remaining life calculations - Inspection interval determination - Minimum required thickness & MAWP |
| Topic 2: Inspection Planning & Practices | 17% | - Inspection scope & frequency - Inspection records & documentation - NDT methods & application - Thickness measurement locations |
| Topic 3: Welding Qualification & Inspection | 13% | - Weld examination & acceptance criteria - WPS, PQR & WPQ review - ASME Section IX requirements |
| Topic 4: Components & Pressure Relieving Devices | 12% | - Piping system flexibility & supports - Pressure relief devices inspection - Valves, flanges, fittings & gaskets |
| Topic 5: Testing & Code Compliance | 7% | - API 570 scope & responsibilities - ASME B31.3 process piping rules - Hydrostatic & pneumatic testing |
| Topic 6: Damage Mechanisms & Materials | 16% | - Stress corrosion cracking & sulfidation - Positive Material Identification (PMI) - Corrosion types (uniform, localized, CUI) - Material properties & limitations |
| Topic 7: Repairs, Alterations & Rerating | 14% | - Compliance with API 570 & ASME standards - In-service welding rules - Rerating procedures - Temporary & permanent repairs |
API-570 Exam FAQ: What Candidates Ask
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 prepare for it with Actual4dump'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.
In-person proctored computer-based testing at Prometric centers worldwide Register for the API Piping Inspector exam through these official channels:
After booking, Actual4dump delivers your practice questions within 1 minute — preparation starts the same day.
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 that simulates the real exam with two practice modes and 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 — and the website runs discounts at intervals, so timing your purchase can save a little more.
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 Actual4dump Desktop Test Engine teaches that rhythm before exam day does.
The official API Piping Inspector outline defines 7 domains. The leading three are Damage Mechanisms & Materials (16%), Repairs, Alterations & Rerating (14%), and Testing & Code Compliance (7%). The full list is in the topics section above, and Actual4dump's 150 practice questions cover each one.
API recommends these training resources for the API Piping Inspector exam:
Follow the training with steady self-testing — the 150 practice questions from Actual4dump help you apply theory and fill any gaps the training leaves.
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.
Actual4dump 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.
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 Actual4dump engines before booking is the cheaper option.
API Piping Inspector Sample Questions:
Without the benefit of an impact test, what is the minimum operating temperature for A-106 Grade B material used in a Category D Fluid Service?
- A. -20°C
- B. -29°F
- C. 0°F
- D. -20°F
Correct Answer: D 🗳️
Who has the responsibility for qualifying welding procedures?
- A. Each employer
- B. Each subcontractor
- C. Each welder
- D. Each contractor
Correct Answer: A 🗳️
For 1 1/4" thick carbon steel, what is the recommended preheat temperature?
- A. 175°F
- B. None
- C. 235°F
- D. 300°F
Correct Answer: A 🗳️
A piping inspector employed by the owner operator shall have
- A. not less than 10 years experience dealing with piping
- B. an API 653 certification
- C. an API 510 certification
- D. an AWS certification
Correct Answer: A 🗳️
Where should the numbers be placed on a radiograph?
- A. Under the film
- B. On the material being radiographed
- C. Under the material being radiographed
- D. On the film source pack
Correct Answer: B 🗳️
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