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API-936 Exam Questions

Exam Name: API Refractory Personnel Exam
Exam Code: API-936
Related Certification(s): API Certifications
Certification Provider: API
Actual Exam Duration: 195 Minutes
Number of API-936 practice questions in our database: 85 (updated: Jun. 14, 2026)
Expected API-936 Exam Topics, as suggested by API :
  • Topic 1: 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.
  • Topic 2: 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 3: 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 4: 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 5: 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.
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Gerald Adams

18 days ago
Applicator and Material Qualification questions frequently ask you to evaluate certificates of conformance or decide whether an applicator meets competency requirements for a specific lining system. Understand qualification test results, vendor data sheets, and documentation trails for applicators, someone I know passed the exam after working through a focused practice question set that clarified those nuances.
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Deborah Peterson

30 days ago
API 936 felt less about memorizing and more about applying lab testing procedures, so I spent time working through sample reports and acceptance criteria and that paid off when I passed. The tricky part was keeping the test methods straight under time pressure.
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Elizabeth Collins

1 month ago
Laboratory Testing Procedures questions often put you in a scenario where you must interpret compressive strength curves or choose the correct sampling protocol for a refractory batch. Study ASTM methods, sample preparation, typical failure signatures, and acceptance criteria, a colleague passed the API-936 and thanks Pass4Success for their practice questions that helped him prep in a short time.
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Sandra Parker

2 months ago
Heads-up the lab sampling procedures questions, especially calculating bulk density from samples, felt tricky during the exam. Practicing the step-by-step calculations beforehand helped me stay calm.
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Timothy Allen

2 months ago
Meanwhile I found the inspection tolerance numbers easier when I memorized the common ranges instead of trying to derive them on the fly.
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Maria Nguyen

1 month ago
Also pay attention to material qualification details, because similar-sounding terms have different acceptance criteria under API.
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Karen Morgan

2 months ago
Agreed, those computation questions were sneaky and required careful unit conversion.
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Gary Baker

1 month ago
Remember to read the applicability notes on applicator qualification since distinguishing contractor responsibilities can be confusing.
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Brenda Rogers

1 month ago
Honestly the scenario-style questions in API-936 that mix installation and inspection requirements caught me off guard and needed extra time.
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Cora

2 months ago
Nervous energy clouded my judgment at first, yet Pass4Success provided concise explanations and confidence boosts. Stay persistent—your effort will lead you forward.
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Lemuel

3 months ago
Aced the API Refractory Personnel exam, thanks to Pass4Success practice exams. My advice? Don't underestimate the importance of a good night's sleep before the big day.
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Gladys

3 months ago
I was anxious about tricky scenarios, but Pass4Success offered realistic simulations that sharpened my decision-making. Believe in your preparation and dive in.
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Goldie

3 months ago
Whew, I'm so relieved I passed the API Refractory Personnel exam. pass4success practice tests helped me revise effectively and stay on top of the material.
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Whitley

3 months ago
Passing the API Refractory Personnel exam was a great achievement, and Pass4Success played a role in that. A challenging question I faced was about Installation. It asked about the methods to ensure even distribution of refractory material during installation. I wasn't confident about the techniques, but I managed to pass.
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Nohemi

4 months ago
Pass4Success practice exams were a game-changer for me. Feeling confident? Focus on your weak areas and nail those topics. You've got this!
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Nadine

4 months ago
My heartbeat rushed at the start, but pass4success gave me a clear study path and steady practice that eased my nerves. Keep faith in your prep—your success story starts now.
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Tegan

4 months ago
I recently passed the API Refractory Personnel exam, and Pass4Success was instrumental in my success. A question that I found tricky was about Applicator and Material Qualification. It focused on the qualifications required for personnel applying refractory materials. I was unsure about the exact certifications needed, but I still passed.
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Claribel

5 months ago
The amount of information was intimidating, but Pass4Success organized it into logical sequences and confidence-building quizzes. You've trained for this—go out and prove it.
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Francoise

5 months ago
I worried I wouldn't recall key safety protocols, yet Pass4Success highlighted them in memorable ways and boosted my confidence. Trust the process and take that leap.
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Tamar

5 months ago
I struggled with the emergency response scenario questions, especially when they mixed protocols from different agencies. Pass4Success practice helped me map out the correct sequence and rationale behind each action.
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Hana

5 months ago
Passing the API Refractory Personnel exam was a breeze with Pass4Success practice exams. My top tip? Manage your time wisely - the questions can be tricky, so pace yourself.
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Jose

6 months ago
Having passed the API Refractory Personnel exam, I can attest to the usefulness of Pass4Success practice questions. One question that challenged me was related to Post-Installation. It asked about the environmental conditions that could affect the curing process of refractory materials. I wasn't entirely sure about the specifics, but I passed the exam.
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Ronny

6 months ago
I passed the API Refractory Personnel exam, and the practice questions from Pass4Success were a big help. A question that I found difficult was about Inspection. It asked about the signs of wear and tear to look for in refractory linings during routine inspections. I was unsure about the most critical indicators, but I managed to pass.
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Audrie

6 months ago
API Refractory exam? Nailed it! Big thanks to Pass4Success for the relevant practice questions.
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Louis

6 months ago
The API Refractory Personnel exam is behind me now, and Pass4Success was a key resource. A question that stood out was about Laboratory Testing Procedures. It inquired about the specific tests used to determine the thermal conductivity of refractory materials. I wasn't sure which test was most appropriate, but I still passed.
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Luz

6 months ago
I successfully passed the API Refractory Personnel exam, thanks in part to Pass4Success. One question that puzzled me was related to the Installation process. It asked about the sequence of steps to ensure proper installation of refractory bricks. I was uncertain about the order of operations, but I managed to pass regardless.
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Alana

7 months ago
Aced the API Certified: Refractory Personnel exam! Pass4Success made my prep time so much more effective.
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Theola

7 months ago
Initial nerves hit hard, but Pass4Success clarified the core concepts and offered test-taking strategies that felt doable. Stay focused and keep moving—progress over perfection.
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Luis

7 months ago
I feared I'd freeze under time pressure, but pass4success simulated exam pacing and reduced anxiety with practical tips. You can do this—show up prepared and shine.
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Kanisha

7 months ago
Nervous energy was buzzing through me, but Pass4Success gave me structured review and reassuring feedback, which built my confidence. Keep pushing forward—your breakthrough is near.
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Justine

8 months ago
The hardest part for me was the multi-step safety calculations in the dosimetry section; those tricky order-of-operations questions almost threw me off. pass4success practice exams broke down each step clearly, so I could see where I was going wrong and fix it.
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Viki

8 months ago
I felt overwhelmed by the scope of the API Refractory Personnel topics, yet Pass4Success broke it down into manageable chunks and reinforced my readiness. Stay steady and go for it—your effort will pay off.
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Earleen

8 months ago
My hands shook when I opened the first questions, but Pass4Success provided focused drills and real-world scenarios that made the concepts click. Believe in yourself and press on—you'll nail it.
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Chaya

8 months ago
I was jittery before the exam, doubting if I remembered everything, but pass4success organized the material into clear, practical steps and boosted my confidence. You've got this—keep practicing and trust the process.
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Cortney

9 months ago
Passing the API Refractory Personnel exam was a relief, and I owe a lot to the Pass4Success practice questions. A challenging question I encountered was about Applicator and Material Qualification. It focused on the criteria for selecting appropriate materials for high-temperature applications. I wasn't completely confident about the material properties required, but I got through it.
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Jutta

9 months ago
API Refractory certification achieved! Couldn't have done it without Pass4Success's efficient study materials.
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Huey

9 months ago
I recently cleared the API Refractory Personnel exam, and the Pass4Success practice questions were a great help. During the exam, there was a tricky question about Post-Installation procedures. It asked about the key factors to monitor during the curing phase of a refractory installation. I hesitated on the exact parameters to prioritize, but I still managed to pass.
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Crissy

10 months ago
Passed the API Refractory exam today! Pass4Success's questions were incredibly similar to the real thing.
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Arminda

10 months ago
Having just passed the API Refractory Personnel exam, I can say that the practice questions from Pass4Success were invaluable. One question that caught me off guard was about the specific steps involved in the Inspection process of refractory linings. It asked about the critical indicators to look for when assessing the integrity of a newly installed refractory. I wasn't entirely sure about the sequence of steps, but thankfully, I managed to pass.
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Linwood

12 months ago
Just passed the exam! Refractory failure analysis was a significant topic. Understand how to interpret post-mortem examinations. Thanks to Pass4Success for comprehensive preparation materials!
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Teddy

12 months ago
API Certified: Refractory Personnel - check! Pass4Success's materials were a lifesaver for last-minute studying.
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Abel

1 year ago
Be ready for questions on refractory material storage and handling. Know proper procedures to prevent contamination and moisture absorption. This practical knowledge was tested in the exam.
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Mozell

1 year ago
The exam had several questions on monolithic refractory installation. Understand vibration casting and shotcreting techniques. Pass4Success materials provided great coverage on this topic!
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Sharee

1 year ago
Phew! API Refractory exam done and dusted. Pass4Success really helped me prep quickly. Thanks!
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Alishia

1 year ago
Refractory lining design principles were important. Know how to account for thermal expansion and structural support. This knowledge was crucial for passing the exam.
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Gregoria

1 year ago
Expect questions on refractory wear mechanisms. Understand abrasion, erosion, and spalling processes. The exam tests your ability to identify and mitigate these issues.
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Essie

1 year ago
Just passed the API Certified: Refractory Personnel exam! So grateful for Pass4Success's spot-on practice questions.
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Free API API-936 Exam Actual Questions

Note: Premium Questions for API-936 were last updated On Jun. 14, 2026 (see below)

Question #1

[Installation Procedures]

Which of the following statements regarding curing of hydraulic bonded castables is true?

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Correct Answer: D

Question #2

[Inspection and Testing Requirements]

An alternative to wire mesh baskets is a panel with enclosed sides when the:

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Correct Answer: B

Question #3

[Curing and Dryout]

In accordance with TR 980, when curing a high-purity, low-cement castable for a high-temperature unit, which of the following sequences ensures minimum cracking risk?

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Correct Answer: B

Question #4

[Material Requirements]

For non-erosive service, what is the required number of test specimens per sample for cold crushing strength?

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Correct Answer: B

Question #5

[Material Requirements]

In the absence of owner specification, which party or individual sets the temperature limits for refractory and mix water?

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Correct Answer: B

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