- Exam Code: API-936
- Exam Name: Refractory Personnel
- Updated: Sep 07, 2026
- Q & A: 87 Questions and Answers
Between work deadlines and family commitments, most API-936 candidates study in stolen moments. That is exactly how the API Refractory Personnel material at Actual4Dumps is meant to be used: 87 practice questions that fit into the margins of a busy 2026 schedule.
| Certification Vendor: | American Petroleum Institute (API) |
|---|---|
| Exam Name: | API 936 Refractory Personnel Certification Examination |
| Exam Number: | API-936 |
| Exam Format: | Closed-book, Multiple-choice |
| Exam Duration: | 195 minutes |
| 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 |
| Certificate Validity Period: | 3 years |
| Exam Price: | $450 (API members) / $625 (non-members) |
| Recommended Training: | API Learning & Training |
| Exam Registration: | Prometric Scheduling API ICP Portal |
| 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 |
| Section | Weight | Objectives |
|---|---|---|
| API STD 936 Core Requirements | 30% | - Quality control guidelines - Roles and responsibilities of personnel - Documentation and reporting requirements |
| Refractory Materials & Qualification | 25% | - Material qualification testing - Types, properties, and specifications - Applicator qualification requirements |
| Installation Methods & Procedures | 20% | - Casting, gunning, ramming, hand packing - Anchors and support systems - Mixing, batching, and placement techniques |
| Curing, Drying & Post-Installation | 10% | - Curing and firing procedures - Dryout and heating protocols - Defects, repair, and maintenance |
| Testing & Inspection | 15% | - Acceptance/rejection criteria - ASTM test methods (C113, C133, C704, etc.) - Sample preparation and testing procedures |
API Refractory Personnel is an official certification exam from American Petroleum Institute (API), identified by the exam code API-936. Pass it and you hold the Refractory Personnel Certification certification, which sits at the Professional level. It also feeds into related credentials, including API 982 Refractory Inspector. In practical terms, this certification tells employers your skills have been measured against the vendor's own standard, which is why certified candidates tend to stand out in hiring and promotion decisions.
Expect 85 (75 scored + 10 pretest) questions within 195 minutes on the API Refractory Personnel exam. Numbers aside, the real challenge is rhythm: lingering too long on one item quietly steals time from three others. Build the habit of answering, flagging, and moving on, then rehearse the full experience under a countdown with the Actual4Dumps test engine until finishing comfortably early becomes your norm.
Registration for API Refractory Personnel officially runs $450 (API members) / $625 (non-members), with Scaled score, approx. 70% correct (not publicly disclosed) required to pass. Worth knowing before you book: retakes are billed at the same full $450 (API members) / $625 (non-members), so a failed attempt doubles your spend. The smarter sequence is to measure yourself first. When your scores on the Actual4Dumps practice tests clear the passing line with room to spare, consistently, that is your signal to schedule the real thing.
No mandatory prerequisites; relevant work experience recommended
Because vendors update their policies without much fanfare, verify the latest entry requirements before you book using the official exam page.
Booking for the API Refractory Personnel exam goes through the vendor's official registration channels.
When you choose your slot, note that the exam is delivered In-person test centers or remote proctoring.
American Petroleum Institute (API) lists the following recommended training for API Refractory Personnel candidates.
Courses teach the concepts; repetition makes them exam-ready. Round out whichever training you pick with the 87 practice questions from Actual4Dumps, and each topic stops being theory and starts being points.
Yes, and we encourage it. Download the free PDF demo of the API Refractory Personnel questions from Actual4Dumps and evaluate the quality on your own terms. After you buy, every update for the next 365 days is free, and when that window closes you can extend your update service at half price.
A 100% money-back guarantee applies, governed by clear conditions. If you sit the API Refractory Personnel exam within 60 days of purchase and fail, you can claim a full refund, as long as the exam corresponds to your product. Attempts made within 3 days of purchase are ineligible, as are products you downloaded but never used, free materials, and expired orders; the name on the exam record must match the payer's name. File your claim with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and it is settled within 7 days. Rather have a replacement than a refund? You may exchange for two other exam products of equal value, free, and your original product keeps its update service.
Delivery is essentially instantaneous: files unlock for download at payment and arrive in your email within one minute. Some vendors make you wait a day; if 2 hours pass here without delivery, check spam and contact customer service. Install on as many computers as you like, with no restrictions.
The API Refractory Personnel blueprint spans 5 domains. The ones carrying the most weight include Testing & Inspection (15%), Curing, Drying & Post-Installation (10%), and Refractory Materials & Qualification (25%). The complete domain-by-domain breakdown is in the exam topics section above; treat it as your master checklist and let the weights tell you where your study hours earn the most.
Question 1
The term "shelf life" refers to the maximum time:
A. material may be stored and remains in usable condition.
B. the mixed material can sit prior to use.
C. for material tests (expiration of test results).
D. it takes for products to be manufactured and installed.
Question 2
During gunning, inclusion of rebound is minimized by which of the following techniques?
A. Start at the lowest level elevation and build up gradually to full thickness in complete rings
B. Begin gunning at the lowest level and work around to full thickness in a spiral pattern
C. Start at the lowest level and build up gradually to full thickness in an area not more than 10 ft² (1 m²)
D. Cover all areas up to 1/2-in (13 mm) thick stud tip thickness before building to full thickness
Question 3
Which of the following conditions must be met for test results from trial mixes of low cement castables to be accepted for qualification?
A. The drying process must be conducted at 220°F (104°C) for at least 48 hours before firing.
B. Bulk density and CCS must exceed average values published in ASTM C401.
C. Specimens must be fired at 1500°F (815°C) and held for a minimum of 3 hours.
D. The water content must not vary more than ±1.0% from that recommended by the manufacturer.
Question 4
For qualification testing, test panels for pneumatic gunning are inclined at a:
A. 60° angle above the horizontal.
B. 90° angle above the horizontal.
C. 30° angle above the horizontal.
D. 45° angle above the horizontal.
Question 5
Sections of the lining below minimum thickness shall be:
A. increased in thickness with a skim coat.
B. roughed and gunned to full thickness.
C. discussed with engineer.
D. cut out entirely and replaced.
Solutions:
| Question 1 Answer: A | Question 2 Answer: C | Question 3 Answer: D | Question 4 Answer: D | Question 5 Answer: D |
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