Latest API-936 Practice Test Questions Verified Answers As Experienced in the Actual Test!
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API-936 (Refractory Personnel) Certification Exam is an internationally recognized certification exam that is designed for professionals who are involved in the installation, inspection, testing, and maintenance of refractory materials in various industries such as petrochemical, power generation, and steel production. The API 936 certification validates the proficiency of the refractory personnel in the application of refractory materials as per industry standards and best practices. Refractory Personnel certification exam is developed and conducted by the American Petroleum Institute (API) and is recognized worldwide.
NEW QUESTION # 55
The surface of a refractory section exposed to the source of heat
- A. None of the above
- B. smooth face
- C. cold face
- D. hot face
Answer: D
NEW QUESTION # 56
The air pressure to blast the 1000 g of size graded silicon carbide grain for abrasion resistance test should be
- A. None of the above
- B. 400 KPa
- C. 448 KPa (65 PSi)
- D. 450 KPa
Answer: C
NEW QUESTION # 57
For air-setting phosphate bonded, erosion-resistant refractories mixing, the mixer's paddles, and bowls shall be
- A. None of the above
- B. Carbon
- C. Aluminium
- D. Steel
Answer: D
NEW QUESTION # 58
Refractories that are resistant to chemical attack by both acid and basic slags, refractories, or fluxes at high temperature is
- A. None of the above
- B. Acid
- C. Neutral
- D. Basic
Answer: C
NEW QUESTION # 59
Brick, tile, fired shapes and fused cast shapes are
- A. shaped refractory
- B. all above
- C. unshaped refractory
- D. refractory fiber
Answer: A
NEW QUESTION # 60
The most common sizes in thickness for hex mesh are
- A. None of the above
- B. (20 - 25mm)
- C. ¾ in or 1" (19mm or 25mm)
- D. (10 - 20mm)
Answer: C
NEW QUESTION # 61
The most commonly used binder for refractory concrete is
- A. calcium aluminate cement
- B. silicates
- C. all of the above
- D. cements
Answer: A
NEW QUESTION # 62
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. None of the above
- B. Monolithic refractory
- C. Plastic refractory
- D. Ramming mix
Answer: C
NEW QUESTION # 63
Section of transfer line in which flow is in a downward direction is called
- A. None of the above
- B. Standpipe of FCCU
- C. Transfer line of FCCU
- D. Riser of FCCU
Answer: B
NEW QUESTION # 64
Hex mesh supplied in flexible rolls and ready fit to a curved surfaces is called
- A. All of the above
- B. Flexmesh
- C. Hexcel
- D. Hexalt anchor
Answer: B
NEW QUESTION # 65
Materials having refractory properties which form a refractory body when bonded into a conglomerate mass by a matrix is called
- A. Cementitious concrete
- B. None of the above
- C. Refractory aggregate
- D. Refractory mass
Answer: C
NEW QUESTION # 66
Heating the new refractory too rapidly will cause
- A. None of the above
- B. Chemical attack
- C. Structural deterioration
- D. Explosive spalling
Answer: D
NEW QUESTION # 67
Compositions of ground refractory materials which require relatively high temperatures for the development of an adequate bond (commonly called the ceramic bond) is called
- A. none of the above
- B. air and heat setting refractories
- C. heat setting refractories
- D. air setting refractories
Answer: C
NEW QUESTION # 68
The length of metal fiber is
- A. None of the above
- B. 10 or 15mm
- C. 30 or 40mm
- D. 19mm or 25mm
Answer: D
NEW QUESTION # 69
In API RP 936, the referenced ASTM standard procedure for cold crushing strength and modulus of rupture is
- A. None of the above
- B. C704 - 01
- C. C 133 - 97
- D. C181 - 91
Answer: C
NEW QUESTION # 70
Modulus of rupture test for castable refractories, the test specimen shall be
- A. None of the above
- B. 6 x 2 x 2 in
- C. 9 x 2 x 2 in (228 x 51 x 51mm)
- D. 8 x 2 x 2 in
Answer: C
NEW QUESTION # 71
Refractory cast into a mock-up may be stripped and visually inspected after a minimum curing of
- A. 24 hrs
- B. 8 hrs
- C. 12 hrs
- D. 16 hrs
Answer: C
NEW QUESTION # 72
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