Latest [Jan 15, 2024] API-936 Exam with Accurate Refractory Personnel PDF Questions
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API-936 Certification Exam is open to refractory personnel with a minimum of one year of experience in the field of refractory installation, inspection, testing, and repair. API-936 exam is available in multiple languages and is conducted online or at designated testing centers. API-936 exam consists of 120 multiple-choice questions, and candidates have four hours to complete it. To pass the exam, candidates must score a minimum of 70%.
NEW QUESTION # 28
The terminology for testing refractory that was sampled during installation in order to confirm that they meet specified physical property standards is called
- A. None of the above
- B. Both of the above
- C. Physical property test
- D. As - installed testing
Answer: D
NEW QUESTION # 29
The destructive chemical reaction between refractories and external agencies at high temperatures, resulting in the formation of a liquid is called
- A. Slagging of refractories
- B. Dusting of refractories
- C. None of the above
- D. Slumping of refractories
Answer: A
NEW QUESTION # 30
Refractories whose major constituent is lime, magnesia, or both and which may react chemically with acid refractories, acid slags, or acid fluxes at a high temperature is known as
- A. Natural refractories
- B. None f the above
- C. Acid refractories
- D. Basic refractories
Answer: D
NEW QUESTION # 31
Based on-screen analysis, the size of Alumina - silicate aggregate in typical modern castable is
- A. 60 - 70%
- B. 50 - 60%
- C. None of the above
- D. 70 - 8-%
Answer: A
NEW QUESTION # 32
Refractory cast into a mock-up may be stripped and visually inspected after a minimum curing of
- A. 16 hrs
- B. 12 hrs
- C. 8 hrs
- D. 24 hrs
Answer: B
NEW QUESTION # 33
Gunning test panels are constructed with removable backs as required for
- A. physical property test
- B. laboratory test
- C. visual inspection of the castable
- D. None of the above
Answer: C
NEW QUESTION # 34
A group of impure magnesium silicate minerals that occur in a fiberous form is known as
- A. Fused silica
- B. Mineral fibre
- C. None of the above
- D. Asbestos
Answer: D
NEW QUESTION # 35
The air pressure to blast the 1000 g of size graded silicon carbide grain for abrasion resistance test should be
- A. 400 KPa
- B. 450 KPa
- C. 448 KPa (65 PSi)
- D. None of the above
Answer: C
NEW QUESTION # 36
For air-setting phosphate bonded, erosion-resistant refractories mixing, the mixer's paddles, and bowls shall be
- A. Carbon
- B. None of the above
- C. Aluminium
- D. Steel
Answer: D
NEW QUESTION # 37
Refractories chemically and physically stable at
- A. None of the above
- B. Average temperatures
- C. High temperatures
- D. Low temperatures
Answer: C
NEW QUESTION # 38
The vessel in which cracking reaction occurs or is completed and product gases are separated from coke and/or catalyst particulate is called
- A. Cyclones of FCCU
- B. Reactor of FCCU
- C. None of the above
- D. Regenerator of FCCU
Answer: B
NEW QUESTION # 39
Fused silica aggregate is used as a raw material in a castable providing
- A. Low thermal expansion
- B. Low thermal conductivity and low thermal expansion
- C. Low thermal conductivity
- D. None of the above
Answer: B
NEW QUESTION # 40
The most common sizes in thickness for hex mesh are
- A. (10 - 20mm)
- B. ¾ in or 1" (19mm or 25mm)
- C. None of the above
- D. (20 - 25mm)
Answer: B
NEW QUESTION # 41
The most commonly used binder for refractory concrete is
- A. calcium aluminate cement
- B. cements
- C. silicates
- D. all of the above
Answer: A
NEW QUESTION # 42
For modules of rupture test of brick and shapes, the preferred test specimen shall be standard
- A. 200 x 150 x 76mm
- B. 228 x 114 x 64 or 76mm
- C. 150 x 114 x 76mm
- D. None of the above
Answer: B
NEW QUESTION # 43
Refractory failure mechanisms are.
- A. Erosion and corrosion
- B. All of the above
- C. Thermal shock and mechanical abuse
- D. Overheating and chemical attack
Answer: B
NEW QUESTION # 44
1 solid black is the color of the stripe for the alloy material
- A. 0
- B. 304L
- C. None of the above
- D. 1
Answer: A
NEW QUESTION # 45
Testing frequency for material qualification of refractory for erosion service requires
- A. 1 sample per pallet or more from each production run
- B. 2 samples per pallet or more from each production run
- C. 1 sample per pallet or less from each production run
- D. None of the above
Answer: C
NEW QUESTION # 46
Fiber concentrations typically range is
- A. 1 - 2 wt percent
- B. 1 - 3 wt percent
- C. Any of the above
- D. 1 - 4 wt percent
Answer: D
NEW QUESTION # 47
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API-936 exam covers a wide range of topics related to refractory materials and their applications, including refractory types, properties, and selection criteria, installation techniques, curing and drying processes, and quality control measures. API-936 exam also assesses the candidates' understanding of industry codes and standards, such as API, ASTM, and ASME, as well as safety practices and procedures. Refractory Personnel certification is valid for three years and requires individuals to pass a recertification exam after that period to demonstrate their continued competency in the field. API-936 certification is a valuable asset for refractory professionals, as it confirms their expertise and enhances their marketability and career opportunities.
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