Actual API-936 Exam Recently Updated Questions with Free Demo
Free API API-936 Exam Questions Self-Assess Preparation
NEW QUESTION 51
An internal component used for the separation of solids from flue or product gas in a fluid coking unit is called
- A. None of the above
- B. Plenum
- C. Riser of FCU
- D. A cyclone
Answer: D
NEW QUESTION 52
Forms (types) of refractory
- A. All above
- B. Refractory (ceramic) fibers
- C. Unshaped
- D. Shaped
Answer: A
NEW QUESTION 53
The standard test method for abrasion resistance of refractory materials at room temperature is
- A. None of the above
- B. C 181 - 91
- C. C 704 - 01
- D. C 133 - 97
Answer: C
NEW QUESTION 54
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 55
The selected compression test section of the specimen for the CCs test shall be free from
- A. All of the above
- B. Other obvious defects
- C. Chipped surfaces
- D. cCracks
Answer: A
NEW QUESTION 56
A refractory materials, stiffer than plastic, that cannot be extruded but has suitable properties to permit ramming into place to form a monolithic structure
- A. Ramming mix
- B. None of the above
- C. Plastic refractory
- D. Monolithic refractory
Answer: A
NEW QUESTION 57
The terminology for testing refractory that was sampled during installation in order to confirm that they meet specified physical property standards is called
- A. As - installed testing
- B. None of the above
- C. Both of the above
- D. Physical property test
Answer: A
NEW QUESTION 58
A combination of refractory grain and suitable bonding agent that, after the addition of a proper liquid, is generally poured into place to form a refractory shape or structure which becomes rigid because of chemical action is called
- A. all of the above
- B. ceramic modules
- C. mortar
- D. castable
Answer: D
NEW QUESTION 59
Blanket, Module, Bulk paper, rope, and vacuum formed shaped are:
- A. All of the above
- B. Refractory fibers
- C. Shaped refractory
- D. Unshaped refractory
Answer: B
NEW QUESTION 60
A condition describing a refractory lining that is soft and friable
- A. Plunky
- B. None of the above
- C. Bloating
- D. Slumping
Answer: A
NEW QUESTION 61
Applicator qualification for thin layer erosion resistant lining, each applicator shall pack a test panel of size.
- A. None of the above
- B. 450 x 450 x 50 mm
- C. 12" x 12" x ¾ or 1" (300 x 300 x 20 or 25mm)
- D. 500 x 500 x 25mm
Answer: C
NEW QUESTION 62
Based on screen analysis the fines (cement, fumed silica, fine alumina) in typical modern castable is
- A. 30 - 40%
- B. None of the above
- C. 20 - 30%
- D. 40 - 50%
Answer: A
NEW QUESTION 63
A high alumina mineral usually consists of rounded concretionary grains embedded in clay-like mass and is believed to consist essentially of alumina trihydrate (Al2O3 H2O) and alumina hydrate (Al2O3 H2O) in varying proportions is called
- A. kyanite
- B. bauxite
- C. fused alumina
- D. alusite
Answer: B
NEW QUESTION 64
Refractory cast into a mock-up may be stripped and visually inspected after a minimum curing of
- A. 8 hrs
- B. 12 hrs
- C. 24 hrs
- D. 16 hrs
Answer: B
NEW QUESTION 65
All the samples for the CCs test must be dried at 220 to 230?C (105 to 110?C) for
- A. 20 hrs (overnight)
- B. 12 hrs (overnight)
- C. 18 hrs (overnight)
- D. 24 hrs (overnight)
Answer: D
NEW QUESTION 66
Fused silica aggregate is used as a raw material in a castable providing
- A. None of the above
- B. Low thermal expansion
- C. Low thermal conductivity
- D. Low thermal conductivity and low thermal expansion
Answer: D
NEW QUESTION 67
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. None of the above
- B. Plenum of FCCU
- C. Cyclone of FCCU
- D. Riser of FCCU
Answer: B
NEW QUESTION 68
For fire clay and some high alumina materials, the most commonly used index of refractoriness is known as:
- A. None of the above
- B. Refractoriness under load
- C. Refractoriness
- D. Pyrometric cone equivalent
Answer: D
NEW QUESTION 69
The welding method utilizing an arc-welding machine in conjunction with a timer and a gun is called
- A. None of the above
- B. Footed anchor
- C. V-anchor
- D. Stud weld
Answer: D
NEW QUESTION 70
The surface of a refractory section not exposed to the source of heat
- A. None of the above
- B. Hot face
- C. Cold face
- D. Smooth face
Answer: C
NEW QUESTION 71
For modules of rupture test of brick and shapes, the preferred test specimen shall be standard
- A. 150 x 114 x 76mm
- B. 200 x 150 x 76mm
- C. None of the above
- D. 228 x 114 x 64 or 76mm
Answer: D
NEW QUESTION 72
A metallic anchor, usually V-stud which has a foot-shaped configuration at the base to aid weld attachment to the shell is called.
- A. Footed anchor
- B. None of the above
- C. Stud weld
- D. V-anchor
Answer: A
NEW QUESTION 73
The length of metal fiber is
- A. 30 or 40mm
- B. None of the above
- C. 10 or 15mm
- D. 19mm or 25mm
Answer: D
NEW QUESTION 74
API 936, the standard test method for abrasion resistance of refractory materials at room temperature is
- A. None of the above
- B. C 181 - 91
- C. C 704 - 01
- D. C 113 - 02
Answer: C
NEW QUESTION 75
As per API recommended practice 936, the standard test method for reheat change of refractory brick is
- A. C113 - 02
- B. None of the above
- C. C 181 - 91
- D. C 133 - 97
Answer: A
NEW QUESTION 76
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