Training Duration: 32 hours
Examination: 4 hours
Closed Book
Brief:
Candidates can expect to learn about Refractory materials & their properties, Laboratory Testing Procedures, Installation, Quality Control, Post-installation Inspection and Acceptance of the Refractory Lining as per usage in Refineries, Power generation stations, Petrochemical facilities and chemical industries & referenced standards like ACI and ASTM.
Design, installation, inspection, and repair of refractory systems in Pressure vessels, Exchangers, Piping, Boilers, and Fired equipment will also be covered.
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Modules: |
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1 |
What are Refractories, Various refractory materials |
13 |
Technical terms and definitions, API 936 Overview |
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2 |
Desirable properties of refractory materials |
14 |
Laboratory Testing Procedures, Material Qualification |
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3 |
Test methods and related calculations |
15 |
Testing equipment, sample preparation techniques, test specimens |
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4 |
Refractory Installation methods (e.g. gunning, casting, ramming, and hand packing) |
16 |
Sampling and sample preparation procedures |
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5 |
Procedures for determining optimal water content and mixing |
17 |
Environmental factors (minimum and maximum temperatures) |
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6 |
Surface preparation and cleanliness requirements |
18 |
Anchor: welding, layouts, patterns, materials |
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7 |
Frequency and methods of production sampling: gunning, casting, hand packing |
19 |
Water addition: quantity and temperature, mixing procedures |
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8 |
Gunite procedures and equipment |
20 |
Casting procedures and equipment (e.g. air vibrator, vibrator frequency, vibrator sizing, forming, setup) |
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9 |
Ramming/Hand packed procedures and equipment |
21 |
Visual and non-destructive test methods and qualification testing methods |
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10 |
Application/limitation for various inspection techniques |
22 |
Curing and dry out procedures |
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11 |
Placement of temperature sensing probes |
23 |
Recommended heat up and cool down schedules |
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12 |
Lining integrity inspection techniques |
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Kindly contact for details.
Kindly contact for details.
1. Exam Format:
Computer-based exam (at Prometric test centers worldwide, including Singapore).
Closed book (no reference materials allowed).
Questions are multiple-choice.
2. Number of Questions & Duration:
110 questions total
100 scored questions
10 pretest (unscored, for exam validation)
Time allowed: 3.25 hours
3. Exam Language:
English only
4. Passing Score:
Scaled scoring system
Passing score is usually around 70% (API does not publish exact raw cutoffs, but ~70 correct answers is a safe benchmark).
5. Body of Knowledge (BoK) Covers:
API 936 Code requirements
Refractory materials (types, properties, specifications)
Material testing methods (ASTM/ISO)
Installation methods (castables, brick, plastics, gunite, etc.)
Curing, drying, firing procedures
Inspection & quality control
Common defects and failure modes
Documentation and reporting
6. Exam Frequency:
Available year-round (on-demand scheduling through Prometric once application is approved).
7. Certificate Validity:
3 years from the exam date
Renewal requires either:
Re-exam, or
Meeting API’s recertification requirements (CPD / experience declaration).
8. Application Process:
Submit application via API Individual Certification Program (ICP) portal.
Once approved, schedule exam with Prometric.
