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| Certification Vendor: | American Petroleum Institute (API) |
|---|---|
| Exam Name: | API 936 Refractory Personnel Certification Examination |
| Exam Number: | API-936 |
| Available Languages: | English |
| Passing Score: | Scaled score, approx. 70% correct (not publicly disclosed) |
| Certificate Validity Period: | 3 years |
| Exam Format: | Closed-book, Multiple-choice |
| Exam Duration: | 195 minutes |
| Exam Price: | $450 (API members) / $625 (non-members) |
| Real Exam Qty: | 85 (75 scored + 10 pretest) |
| Related Certifications: | API 982 Refractory Inspector |
| Recommended Training: | API Learning & Training |
| Exam Registration: | Prometric Scheduling API ICP Portal |
| 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 certification program is open to individuals with a minimum of five years of experience in refractory materials installation, inspection, or testing. Candidates must also have a high school diploma or equivalent qualification. Refractory Personnel certification program is designed to provide a benchmark for employers to evaluate the knowledge and skills of their employees in the field of refractory materials.
API 936 certification exam covers a wide range of topics related to refractory materials, including their properties, installation techniques, testing methods, and maintenance procedures. API-936 Exam also includes questions related to industry standards and regulations, safety practices, and environmental considerations. Refractory Personnel certification is valid for three years, after which the certified personnel must undergo a recertification process to maintain their credentials. The API 936 certification is highly valued by employers as it demonstrates the proficiency and expertise of the certified professionals in the field of refractory materials.
NEW QUESTION # 16
What characteristic shall be required for form selection?
Answer: D
Explanation:
According to API TR 980, a form must be able to support its own weight and the pressure from the refractory material:
"Formwork shall be self-supporting and capable of withstanding the static and dynamic loads imposed during installation."
- API TR 980, Section 4.2.1, Form Requirements
Transparency and chemical resistance are not required characteristics for refractory formwork in installation.
NEW QUESTION # 17
Materials having refractory properties which form a refractory body when bonded into a conglomerate mass by a matrix is called
Answer: D
NEW QUESTION # 18
A layer coat of refractory lining that is applied to an existing lining in an attempt to extend the lining's life is known as:
Answer: A
Explanation:
The term "overlay" is defined in refractory terminology as:
"Overlay: A layer of refractory material applied over an existing lining, generally to extend service life or repair localized damage."
- API TR 980, Section 2, Definitions
The other terms do not carry this specific meaning in the context of refractory maintenance.
NEW QUESTION # 19
Mechanical wearing away of the surfaces of refractory bodies in service by washing action of moving liquid or gases is called
Answer: A
NEW QUESTION # 20
Throughout a period of at least 24 hours, test specimens for air-setting, phosphate-bonded castable refractories are:
Answer: D
Explanation:
Air-setting, phosphate-bonded castables rely on a chemical bonding mechanism that activates when exposed to ambient moisture and carbon dioxide. API 936 outlines that these materials should becured in ambient air without being covered, as covering can trap moisture and inhibit the proper development of the chemical bond. Covering or artificially heating during this early curing stage may lead to defects such as cracking or uneven setting.
Theminimum 24-hour air curingperiod ensures sufficient evaporation of excess water and the development of mechanical integrity before any handling, heat exposure, or further processing. Covering these castables may interfere with the air-bonding mechanism and is not recommended.
Reference:
API Std 936, Section 6.3.1: "Air-setting phosphate-bonded refractories shall be air cured, uncovered for at least 24 h." API TR 980, Section on Air-Setting Castables: Emphasizes the importance of allowing unrestricted air exposure during initial set.
NEW QUESTION # 21
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