Exam Name: Piping Inspector
Certification Provider: API
Corresponding Certification: Individual Certification Programs
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- Total Questions: 150
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- Total Questions: 150
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Craftsmanship is a mindset: do the work carefully, every time. In 2026, the Lead2PassExam API-570 package applies it to study materials — 150 practice questions built with the precision the API Piping Inspector exam demands.
API API-570 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Testing & Code Compliance | 7% | - ASME B31.3 process piping rules - API 570 scope & responsibilities - Hydrostatic & pneumatic testing |
| Topic 2: Data Evaluation & Calculations | 21% | - Minimum required thickness & MAWP - Inspection interval determination - Corrosion rate & remaining life calculations - Weld & casting quality factors |
| Topic 3: Inspection Planning & Practices | 17% | - NDT methods & application - Thickness measurement locations - Inspection scope & frequency - Inspection records & documentation |
| Topic 4: Repairs, Alterations & Rerating | 14% | - In-service welding rules - Rerating procedures - Compliance with API 570 & ASME standards - Temporary & permanent repairs |
| Topic 5: Components & Pressure Relieving Devices | 12% | - Pressure relief devices inspection - Piping system flexibility & supports - Valves, flanges, fittings & gaskets |
| Topic 6: Damage Mechanisms & Materials | 16% | - Positive Material Identification (PMI) - Material properties & limitations - Stress corrosion cracking & sulfidation - Corrosion types (uniform, localized, CUI) |
| Topic 7: Welding Qualification & Inspection | 13% | - ASME Section IX requirements - Weld examination & acceptance criteria - WPS, PQR & WPQ review |
API-570 Exam FAQ — Design, Delivery, Dedication
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 Lead2PassExam'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.
The official API Piping Inspector outline defines 7 domains. The leading three are Welding Qualification & Inspection (13%), Damage Mechanisms & Materials (16%), and Inspection Planning & Practices (17%). The full list is in the topics section above, and Lead2PassExam'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.
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 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 Lead2PassExam engines before booking is the cheaper option.
API recommends these training resources for the API Piping Inspector exam:
Follow the training with steady self-testing — the 150 practice questions from Lead2PassExam help you apply theory and fill any gaps the training leaves.
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 Lead2PassExam Desktop Test Engine teaches that rhythm before exam day does.
Lead2PassExam 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, Lead2PassExam delivers your practice questions within 1 minute — preparation starts the same day.
API Piping Inspector Sample Questions:
If the supporting PQR is used, are the P-no's correct on the attached WPS?
- A. Not enough information
- B. Could be if properly preheated
- C. Yes
- D. No
Correct Answer: D 🗳️
A qualified welder may seal weld a threaded joint if_______.
- A. the joint has straight threads only
- B. all exposed threads are covered
- C. the joint is leaking
- D. the joint has tapered threads only
Correct Answer: B 🗳️
Appropriate permanent and progressive records on each piping system shall include.
- A. all original construction data
- B. all jurisdictional requirements
- C. system service; classification; identification numbers
- D. original heat and batch numbers
Correct Answer: C 🗳️
What should have been the correct number and type of guide bends on the PQR?
- A. No side bends required
- B. 1 side, 1 face and 1 root bend
- C. 2 face and 2 root bends
- D. 6 side bends
Correct Answer: A 🗳️
Actively engaged as an authorized piping inspector shall be defined as a minimum of time spent performing inspection activities.
- A. 40%
- B. 20%
- C. 50%
- D. 30%
Correct Answer: B 🗳️
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