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  • Total Questions: 150
  • Updated on: Oct 13, 2026
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In 2026, failing the API Piping Inspector exam means paying the full registration fee a second time — plus weeks of lost momentum. The 150 practice questions in ActualTestsIT's API-570 package are designed to help you get it done on the first attempt.

API API-570 Exam Overview:

Certification Vendor:American Petroleum Institute (API)
Exam Name:API 570 Piping Inspector Certification Examination
Exam Number:API-570
Available Languages:English
Certificate Validity Period:3 years
Exam Price:Refer to official API application pricing
Related Certifications:API 653 Aboveground Storage Tank Inspector
API 510 Pressure Vessel Inspector
Exam Duration:390 minutes
Real Exam Qty:170 (140 scored, 30 pretest)
Exam Format:Multiple Choice, Open-Book Section, Closed-Book Section, Computer-Based Testing (CBT)
Passing Score:Scaled score determined by API; passing cut score is not publicly disclosed
Sample Questions: DOWNLOAD DEMO
Exam Way:Computer-based examination delivered at Prometric testing centers; consists of both closed-book and open-book sections.
Pre Condition:Candidates must satisfy API education and industry experience requirements related to in-service metallic piping inspection as defined in API 570 Annex A. Qualifying experience must generally be obtained within the previous 10 years.
Official Syllabus URL:https://www.api.org/products-and-services/individual-certification-programs/certifications/api570

API API-570 Exam Syllabus Topics:

SectionObjectives
Materials and Metallurgy- Material Properties
  • 1. Material Identification
  • 2. Piping Materials
  • 3. Material Degradation Mechanisms
Inspection Practices- Inspection Planning
  • 1. Inspection Intervals
  • 2. Risk-Based Inspection Concepts
  • 3. External and Internal Inspection Methods
API 570 Code Knowledge and General Requirements- Scope and Application
  • 1. Piping Inspection Code Requirements
  • 2. Inspector Roles and Responsibilities
  • 3. Documentation and Records
Pressure Testing and Mechanical Integrity- Testing Requirements
  • 1. Hydrostatic Testing
  • 2. Leak Testing
  • 3. Pneumatic Testing
Non-Destructive Examination- NDE Methods
  • 1. Magnetic Particle Testing
  • 2. Liquid Penetrant Testing
  • 3. Radiographic Testing
  • 4. Ultrasonic Testing
Corrosion and Damage Mechanisms- Damage Assessment
  • 1. Corrosion Rate Calculations
  • 2. Corrosion Types
  • 3. Remaining Life Evaluation
Fitness-for-Service and Engineering Evaluation- Assessment Techniques
  • 1. Thickness Evaluation
  • 2. Minimum Required Thickness Calculations
  • 3. Remaining Life Determination
Welding and Repair- Repair and Alteration Requirements
  • 1. Welder Qualification
  • 2. Welding Procedures
  • 3. Repair Documentation
Applicable Codes and Standards- Referenced Publications
  • 1. API 578
  • 2. API 579
  • 3. API 570
  • 4. API 577
  • 5. ASME Section IX
  • 6. API 571
  • 7. ASME B31.3
  • 8. API 574
  • 9. ASME Section V

API API-570 Exam: Everything You Wanted to Ask

The API-570 exam is the official API exam for API Piping Inspector. Passing it earns you the Individual Certification Programs credential, which sits at the Professional level. It is also connected to API 510 Pressure Vessel Inspector, API 653 Aboveground Storage Tank Inspector, so what you learn carries over if you plan to pursue those paths as well. Employers treat the certification as verified proof of skill, which is why structured preparation with ActualTestsIT's practice questions pays off.

The API-570 exam contains 170 (140 scored, 30 pretest) questions, and the time limit is 390 minutes. Translate that into a pacing plan before exam day: know roughly how long you can afford per item, flag anything that stalls you, and circle back at the end instead of burning minutes. Two or three full timed sessions in ActualTestsIT's test engine will teach you that rhythm far better than untimed reading ever will.

The passing score for the API-570 exam is Scaled score determined by API; passing cut score is not publicly disclosed, and the official registration fee is Refer to official API application pricing. Remember that a failed attempt means paying that fee again in full for a retake, so treat self-assessment as part of the budget: run ActualTestsIT's practice questions under timed conditions and only book your seat once your scores sit comfortably above the passing bar.

Candidates must satisfy API education and industry experience requirements related to in-service metallic piping inspection as defined in API 570 Annex A. Qualifying experience must generally be obtained within the previous 10 years. Eligibility details can change, so before you register, confirm the current requirements on the official exam page: https://www.api.org/products-and-services/individual-certification-programs/certifications/api570.

Yes. ActualTestsIT offers a free PDF demo of the API Piping Inspector practice questions on the samples page, so you can judge the format and quality yourself before paying anything. Every purchase also includes 365 days of free updates, and after the product expires you can extend the update service at a 50% discount from within your member zone.

If you take the corresponding exam within 60 days of purchase and do not pass, ActualTestsIT backs you with a 100% money-back guarantee. To claim it, submit a scanned copy of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam, and the refund is processed within 7 days. The guarantee does not apply to attempts made within the first 3 days after purchase, to products downloaded without actually sitting the exam, or to free materials and expired orders, and the candidate name must match the payer's name. If you would rather have study material than money, you can instead exchange for two additional exam products of equal value, free of charge, while keeping the update service on your original purchase. Delivery itself is instant: your download is available right after payment and a copy reaches your mailbox within one minute — if nothing arrives within 2 hours, contact customer service. You may install the product on as many computers as you need.

The official API Piping Inspector blueprint is organized into 9 domains. The leading areas are:

  • Welding and Repair
  • API 570 Code Knowledge and General Requirements
  • Applicable Codes and Standards

For the complete domain-by-domain breakdown with every subtopic, see the Exam Topics outline above.

API Piping Inspector Sample Questions:

A weld is changed from multi pass per side to single pass per side.
How does this effect the PWHT limitation?

  • A. The PWHT is not a consideration
  • B. This limitation does not apply when a WPS is qualified with a PWHT above the upper transformation temperature
  • C. The PWHT must be performed per ASME IX and time increased byone
  • D. This limitation does not apply when a WPS is qualified with a PWHT below the upper transformation temperature
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Lower levels of soil resistivity are:

  • A. Less corrosive than higher resistivity soils.
  • B. More corrosive than higher resistivity soils
  • C. More desirable because of increased electrolyte.
  • D. Has no effect on corrosion.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

In lieu of the required heat treatment after welding, what may be used as an alternative?

  • A. Normalizing/annealing
  • B. Strain Harmonics
  • C. Quenching
  • D. Air Hardening
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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. 98.23 psi
  • C. 126 psi
  • D. 285.17 psi
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

What is a thermocouple pyrometer?

  • A. A device taped to the pipe that will record temperature variations
  • B. A vibration device that generates heat through friction producing a stress relieved weldment
  • C. A device used to check the heat treatment temperature, usually connected by capacitor discharge welding
  • D. A flammable material that, when ignited, will create enough heat to stress relieve piping
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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