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| Certification Vendor: | American Petroleum Institute (API) |
|---|---|
| Exam Name: | API 936 Refractory Personnel Certification Examination |
| Exam Number: | API-936 |
| Passing Score: | Scaled score, approx. 70% correct (not publicly disclosed) |
| Exam Price: | $450 (API members) / $625 (non-members) |
| Exam Format: | Closed-book, Multiple-choice |
| Related Certifications: | API 982 Refractory Inspector |
| Available Languages: | English |
| Real Exam Qty: | 85 (75 scored + 10 pretest) |
| Exam Duration: | 195 minutes |
| Certificate Validity Period: | 3 years |
| Recommended Training: | API Learning & Training |
| Exam Registration: | API ICP Portal Prometric Scheduling |
| 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 |
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API-936 (Refractory Personnel) Certification Exam is an internationally recognized certification program designed for individuals who work with refractory materials in various industries such as petrochemical, power generation, and cement manufacturing. Refractory Personnel certification exam is developed and administered by the American Petroleum Institute (API), which is a leading organization in the oil and gas industry that sets standards for various aspects of the industry.
NEW QUESTION # 25
Cold wall refractory lined components shall be dried out by heating from:
Answer: C
Explanation:
Cold wall refractory systems are typically backed by steel shells, which are poor at withstanding the thermal stresses that come from reverse heating. API 936 and API TR 980 clearly emphasize thatthe heat-up or dryout process for cold-wall linings must always begin from the hot face- that is, the process-exposed surface.
Heating from thehot faceallows for controlled migration of moisture toward the cold face and eventual venting to the atmosphere. Conversely, heating from the cold face or steel shell side traps moisture between the hot impermeable material and the outer surface, leading to:
Steam buildup
Explosive spalling
Cracks in the material or at the interface with the steel
For these reasons,only the hot facemethod is specified unless the design and dryout plan justify a different method under special engineering review.
Reference:
API Std 936, Section 6.5.2: "Dryout shall be performed from the hot face only unless otherwise specified." API TR 980, Section on "Dryout of Cold Wall Systems": Highlights the mechanisms of vapor movement and the risks of reverse heating.
ASTM C1190(Referenced Method): Supports the use of correct drying schedules and methods.
NEW QUESTION # 26
Section of transfer line in which flow is in an upward direction is called
Answer: B
NEW QUESTION # 27
Refractory abrasion is defined as the wearing away of the surface by:
Answer: D
Explanation:
API TR 977 defines refractory abrasion in the context of erosion resistance testing:
"Abrasion is the wearing away of the surface by the mechanical scouring action of solids moving across the surface."
- API TR 977, Section 2
This distinguishes abrasion from gas or chemical attack and aligns with ASTM C704 test context.
NEW QUESTION # 28
Heating the new refractory too rapidly will cause
Answer: A
NEW QUESTION # 29
A group of impure magnesium silicate minerals that occur in a fiberous form is known as
Answer: A
NEW QUESTION # 30
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Practice API-936 Exam Pdf: https://www.edudump.com/exams/API/API-936/