Exam Name: Piping Inspector
Certification Provider: API
Corresponding Certification: Individual Certification Programs
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Updated: Oct 16, 2026
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- Total Questions: 150
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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 |
| Exam Format: | Computer-Based Testing (CBT), Multiple-choice questions, Open-book section with digital reference codes, Closed-book section |
| Exam Duration: | 450 (275 closed-book + 45 min break + 225 open-book) |
| Certificate Validity Period: | 3 years |
| Exam Price: | $875 (API member), $1,125 (non-member) |
| Related Certifications: | API 653 Storage Tank Inspector API 510 Pressure Vessel Inspector API 579 Fitness-for-Service API 580 Risk-Based Inspection |
| Available Languages: | English |
| Passing Score: | 400 scaled score out of 500 |
| Real Exam Qty: | 170 (110 closed-book, 60 open-book; 140 scored, 30 pretest) |
| Recommended Training: | API 570 Body of Knowledge API Official Study Resources |
| 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 |
|---|---|---|
| Testing & Code Compliance | 7% | - ASME B31.3 process piping rules - API 570 scope & responsibilities - Hydrostatic & pneumatic testing |
| Welding Qualification & Inspection | 13% | - ASME Section IX requirements - Weld examination & acceptance criteria - WPS, PQR & WPQ review |
| Damage Mechanisms & Materials | 16% | - Material properties & limitations - Stress corrosion cracking & sulfidation - Corrosion types (uniform, localized, CUI) - Positive Material Identification (PMI) |
| Data Evaluation & Calculations | 21% | - Inspection interval determination - Weld & casting quality factors - Corrosion rate & remaining life calculations - Minimum required thickness & MAWP |
| Repairs, Alterations & Rerating | 14% | - Rerating procedures - In-service welding rules - Temporary & permanent repairs - Compliance with API 570 & ASME standards |
| Components & Pressure Relieving Devices | 12% | - Valves, flanges, fittings & gaskets - Piping system flexibility & supports - Pressure relief devices inspection |
| Inspection Planning & Practices | 17% | - Inspection scope & frequency - NDT methods & application - Inspection records & documentation - Thickness measurement locations |
API Piping Inspector Exam FAQ — Worry-Free Answers
The API Piping Inspector is API's certification exam for Authorized Piping Inspector, at the Specialist / Inspector Level level. It's demanding enough to intimidate — timed practice is the cure. Related credentials include API 510 Pressure Vessel Inspector, API 653 Storage Tank Inspector, API 580 Risk-Based Inspection, API 579 Fitness-for-Service.
Yes:
After any course, build confidence with the 150 practice questions for the API Piping Inspector — every answer expert-verified.
Through the vendor's official registration channels:
The API Piping Inspector is delivered In-person proctored computer-based testing at Prometric centers worldwide — pick the arrangement that suits you when booking.
450 (275 closed-book + 45 min break + 225 open-book) for 170 (110 closed-book, 60 open-book; 140 scored, 30 pretest) questions. The PremiumVCEDump APP engine imitates the real test — set timed exams, mark performance, point out mistakes — so exam day feels rehearsed.
The API Piping Inspector blueprint spans 7 domains — including Components & Pressure Relieving Devices (12%), Welding Qualification & Inspection (13%), Data Evaluation & Calculations (21%). The complete outline above lists every subtopic; our IT staff keep the material aligned daily.
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 Eligibility rules change over time, so verify the current requirements on the official page (official API-570 exam page) before registering.
$875 (API member), $1,125 (non-member) per attempt, 400 scaled score out of 500 to pass. Retakes cost the full fee — practice whenever you want with the 150 practice questions for the API-570 exam at PremiumVCEDump.
Soon after payment you receive the API Piping Inspector material by automatic email — about a minute, with Credit Card payment and a strict information system keeping money and data safe; our 7*24 service replies within 2 hours, even on official holidays. If you fail the corresponding API-570 exam within 60 days of purchase, we refund in full: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.
Yes — download the free API Piping Inspector demo and feel the engine before paying. Purchases include 365 days of free updates by email; renew afterward at 50% off.
API Piping Inspector Sample Questions:
Of the following examples, which one may cause a leak in a threaded joint?
- A. Lack of thread lubricant
- B. Under pressuring the part
- C. Back welding the fitting
- D. Changing the direction of flow in the piping system
Correct Answer: A 🗳️
A welder who tests on a ½" thick plate, groove weld in the 3G position is also qualified to weld in which other plate position?
- A. All plate positions
- B. Flat and horizontal
- C. Flat
- D. Vertical only
Correct Answer: C 🗳️
Besides ultrasonic instruments, what other method can be used to determine thickness measurements?
- A. AET
- B. ET
- C. RT
- D. MT
Correct Answer: C 🗳️
A weld is changed from multi pass per side to single pass per side.
How does this effect the PWHT limitation?
- A. The PWHT must be performed per ASME IX and time increased byone
- B. The PWHT is not a consideration
- C. This limitation does not apply when a WPS is qualified with a PWHT below the upper transformation temperature
- D. This limitation does not apply when a WPS is qualified with a PWHT above the upper transformation temperature
Correct Answer: D 🗳️
What is the most common use for a globe valve?
- A. Regulate fluid flow
- B. Stop all flow
- C. Prevent back flow
- D. Allow full flow
Correct Answer: A 🗳️
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