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API-936 certification is an essential credential for professionals who want to advance their careers in the refractory industry. It demonstrates their expertise and commitment to maintaining the highest standards of safety, quality, and performance in their work. Certified refractory personnel are highly valued by employers, as they can help reduce downtime, increase productivity, and improve overall operational efficiency.
Achieving API-936 certification is a significant achievement for any professional in the refractory industry. It demonstrates to employers and clients that the individual has a high level of knowledge and expertise in the field of refractory materials and installation. Additionally, API-936 certification is recognized globally, which means that individuals who hold this certification have the potential for increased job opportunities and higher salaries.
API-936 exam is an essential credential for engineers, inspectors, contractors, suppliers, and other professionals who deal with various types of refractory materials, including ceramic, metallic, monolithic, and brick. API-936 exam consists of 120 multiple-choice questions that cover several topics, such as the properties and behavior of refractories, refractory installation and repair techniques, refractory testing and analysis methods, codes and standards related to refractories, and safety best practices in refractory operations.
NEW QUESTION # 48
Additives used to facilitate moisture removal of refractory linings during dry out are called
- A. Organic fiber
- B. Mineral fiber
- C. None of the above
- D. Metal fiber
Answer: A
NEW QUESTION # 49
The selected compression test section of the specimen for the CCs test shall be free from
- A. Chipped surfaces
- B. Other obvious defects
- C. All of the above
- D. cCracks
Answer: C
NEW QUESTION # 50
As per ASTM C- 704, for the erosion tests, silicon carbide grit is to be used by
- A. One time
- B. Two time
- C. Three-time
- D. None of the above
Answer: A
NEW QUESTION # 51
Refractories chemically and physically stable at
- A. High temperatures
- B. Low temperatures
- C. Average temperatures
- D. None of the above
Answer: A
NEW QUESTION # 52
The surface of a refractory section exposed to the source of heat
- A. hot face
- B. cold face
- C. smooth face
- D. None of the above
Answer: A
NEW QUESTION # 53
A moldable refractory material that can be extruded and has a level of workability that permits it to be pounded into place to form a monolithic structure
- A. Monolithic refractory
- B. Ramming mix
- C. Plastic refractory
- D. None of the above
Answer: C
NEW QUESTION # 54
Based on-screen analysis, the size of Alumina - silicate aggregate in typical modern castable is
- A. 50 - 60%
- B. 60 - 70%
- C. None of the above
- D. 70 - 8-%
Answer: B
NEW QUESTION # 55
Test panels for pneumatic gunning are inclined above the horizontal at an angle of
- A. 30?
- B. 45?
- C. 60?
- D. None of the above
Answer: B
NEW QUESTION # 56
Enclosure inside the top head of a reactor or regenerator vessel which supports the cyclones and in which gases exiting the cyclone outlets are collected is called
- A. Cyclone of FCCU
- B. Plenum of FCCU
- C. None of the above
- D. Riser of FCCU
Answer: B
NEW QUESTION # 57
Modulus of rupture test for castable refractories, the test specimen shall be
- A. 8 x 2 x 2 in
- B. 6 x 2 x 2 in
- C. 9 x 2 x 2 in (228 x 51 x 51mm)
- D. None of the above
Answer: C
NEW QUESTION # 58
Refractory failure mechanisms are.
- A. Thermal shock and mechanical abuse
- B. Erosion and corrosion
- C. All of the above
- D. Overheating and chemical attack
Answer: C
NEW QUESTION # 59
The standard test method for abrasion resistance of refractory materials at room temperature is
- A. C 704 - 01
- B. C 181 - 91
- C. None of the above
- D. C 133 - 97
Answer: A
NEW QUESTION # 60
For air-setting phosphate bonded, erosion-resistant refractories mixing, the mixer's paddles, and bowls shall be
- A. Carbon
- B. Steel
- C. None of the above
- D. Aluminium
Answer: B
NEW QUESTION # 61
Refractories that are resistant to chemical attack by both acid and basic slags, refractories, or fluxes at high temperature is
- A. Neutral
- B. Basic
- C. None of the above
- D. Acid
Answer: A
NEW QUESTION # 62
Testing frequency for material qualification of refractory for other services requires
- A. 1 sample per pallet or less from each production run
- B. 1 sample per 3 pallets or less from each production run
- C. 1 sample per 3 pallets or more from each production run
- D. None of the above
Answer: B
NEW QUESTION # 63
The property of matter by virtue of which heat energy is transmitted through particles in contact.
- A. Thermal expansion
- B. Thermal shock
- C. Thermal conductivity
- D. None of the above
Answer: C
NEW QUESTION # 64
Colour coding does not require for anchor alloy of
- A. Carbon steel
- B. SS310
- C. None of the above
- D. SS304
Answer: A
NEW QUESTION # 65
Refractory packing requirements, the weight in the bag, shall not deviate by more than
- A. ±1%
- B. ± 3%
- C. ± 4%
- D. ± 2%
Answer: D
NEW QUESTION # 66
As installed testing is the terminology for testing refractory that was sampled during installation in order to confirm that they meet specified.
- A. Both as above
- B. Chemical property standards
- C. None of the above
- D. Physical property standards
Answer: D
NEW QUESTION # 67
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. Regenerator of FCCU
- D. None of the above
Answer: B
NEW QUESTION # 68
Section of transfer line in which flow is in an upward direction is called
- A. Plenum of FCCU
- B. Cyclone of FCCU
- C. None of the above
- D. Riser of FCCU
Answer: D
NEW QUESTION # 69
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