API API-936 Exam Information and Actual Questions

  • Exam Code/Number: API-936
  • Exam Name/Title: Refractory Personnel
  • Certification Provider: API
  • Corresponding Certification: Individual Certification Programs
  • Exam Questions: 87
  • Updated On: Jul 17, 2026

API-936
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API-936 Exam
Refractory Personnel

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API API-936 Exam Overview:

Certification Vendor:American Petroleum Institute (API)
Exam Name:API 936 Refractory Personnel Certification Examination
Exam Number:API-936
Exam Duration:195 minutes
Certificate Validity Period:3 years
Real Exam Qty:85 (75 scored + 10 pretest)
Related Certifications:API 982 Refractory Inspector
Passing Score:Scaled score, approx. 70% correct (not publicly disclosed)
Available Languages:English
Exam Format:Multiple-choice, Closed-book
Exam Price:$450 (API members) / $625 (non-members)
Sample Questions:API API-936 Sample Questions
Exam Way:In-person test centers or remote proctoring
Pre Condition:No mandatory prerequisites; relevant work experience recommended
Official Syllabus URL:https://www.api.org/products-and-services/individual-certification-programs/certifications/api936

API-936 (Refractory Personnel) Certification Exam is a globally recognized certification program that provides a comprehensive understanding of refractory materials, installation, inspection, and repair techniques. Refractory Personnel certification is designed to assess the knowledge and skills of refractory personnel working in the petrochemical, chemical, and refining industries. API-936 exam covers a range of topics, including refractory materials, installation, inspection, testing, and repair methods.

API API-936 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Inspection: This section evaluates the knowledge of Refractory Inspectors and focuses on inspection standards, procedures, and techniques used to verify proper refractory installation. It includes key terminology, job specifications, lining design knowledge, and both visual and non-destructive testing methods such as radiography or core sampling. Candidates must also understand the limits of inspection techniques, the importance of material traceability, criteria for acceptance or rejection, repair procedures, and documentation duties. This domain also assesses understanding of curing, dry-out procedures, and proper record-keeping systems.
Topic 2
  • Installation: This section of the exam measures skills of Field Supervisors and includes knowledge needed to oversee and execute refractory installation activities according to quality standards. It involves understanding installation terms, documentation responsibilities, execution planning, and design requirements. Other topics include packaging and storage, surface cleanliness, anchor installation details, and how to properly conduct sampling during production. Candidates must also be familiar with water and fiber mixing processes, environmental temperature controls, and key procedures and equipment for gunite, casting, ramming, and hand packing methods.
Topic 3
  • Applicator and Material Qualification: This section of the exam is designed for Refractory Applicators and focuses on installation practices and material handling skills needed to ensure quality application of refractory systems. It covers key methods such as gunning, casting, ramming, and hand packing, as well as how to prepare samples and determine the right amount of water for mixing. Candidates must understand formulation basics, equipment use, mock-up and test panel requirements, and how to maintain environmental controls. This domain also emphasizes surface preparation, proper procedures for material qualification, and the documentation expected from applicators during qualification.
Topic 4
  • Post-Installation: This section of the exam measures skills of Commissioning Technicians and focuses on the processes that occur after refractory installation is complete. Topics include post-installation terminology, personnel roles, and documentation requirements. Candidates must understand dry-out and sealing methods such as water misting or membrane curing, along with environmental requirements for proper curing. The section also includes the use of heating equipment, placement of temperature sensors, adherence to manufacturer-recommended heat-up and cooldown schedules, and knowledge of proper heating rates for various refractory types. Lastly, it covers techniques for verifying the integrity of the final lining.
Topic 5
  • Laboratory Testing Procedures: This section of the exam measures the skills of Quality Control Technicians and covers the understanding and execution of various laboratory testing methods used in refractory materials. Candidates should be familiar with industry terms and definitions, common test procedures like C704, CCS, PLC, and density, and be able to perform related calculations. The section also assesses knowledge of how to qualify materials, operate testing equipment, prepare samples correctly, and understand dimensional standards. In addition, it includes awareness of materials used, such as ceramic fibers or corrosion coatings, along with curing and firing methods, acceptance and rejection criteria, and proper documentation responsibilities.

Reference: https://www.api.org/products-and-services/individual-certification-programs/certifications/api936

API-936 (Refractory Personnel) Certification Exam is a globally recognized certification program that is designed to test and certify individuals with knowledge and expertise in the field of refractory materials. The API-936 certification is a valuable credential for professionals working in the petroleum, petrochemical, and power generation industries, where refractory materials play a critical role in the design and maintenance of high-temperature equipment.

API-936: Refractory Personnel Exam is a valuable certification for individuals working with refractory materials in the petrochemical industry. It demonstrates an individual's knowledge and skills in the field and is highly valued by employers in the industry. Passing the exam requires a thorough understanding of refractory materials and their applications, as well as a commitment to safety and adherence to regulations.



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