合格できるAPI Refractory Personnel試験最速合格保証最近更新されたGoShiken問題集！
合格できるAPI-936試験の100問題で最適なGoShiken出題問題
質問 37
The increase in linear dimensions and volume which occurs when materials are heated and which is counterbalanced by contraction of equal amounts when the materials are cooled.
- A. Thermal shock
- B. None of the above
- C. Thermal expansion
- D. Thermal conductivity
正解: D
質問 38
The color of stripe for Inconel 600 alloy material of metallic anchor is
- A. None of the above
- B. 2 solid black
- C. 1 solid black
- D. 2 solid blue
正解: D
質問 39
To compose a sample for the modulus of rupture test from an equivalent number of refractory shapes, the specimen should be
- A. At least five
- B. At least three
- C. At least two
- D. At least four
正解: A
質問 40
The test specimen of castable refractory for cold crushing strength shall be
- A. Cylinders, 2 in. (51mm)in dia. by 2 in.(51 mm) height
- B. 2 in. (51mm) cubes
- C. a or b
- D. none of the above
正解: C
質問 41
Section of transfer line in which flow is in a downward direction is called
- A. Transfer line of FCCU
- B. Standpipe of FCCU
- C. None of the above
- D. Riser of FCCU
正解: B
質問 42
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. mortar
- B. castable
- C. all of the above
- D. ceramic modules
正解: B
質問 43
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. None of the above
- B. Ramming mix
- C. Plastic refractory
- D. Monolithic refractory
正解: B
質問 44
API 936, the standard test method for abrasion resistance of refractory materials at room temperature is
- A. C 181 - 91
- B. None of the above
- C. C 704 - 01
- D. C 113 - 02
正解: C
質問 45
Cristobalite is an important constituent of
- A. Magnesia brick
- B. Alumina bricks
- C. Insulating brick
- D. Silica brick
正解: D
質問 46
Alumina - silica refractories containing 45% or more alumina, materials used in their production include diaspore, bauxite, gibbsite, kyanite, sillimanite, alusite, and fused alumina (artificial corundum) is called
- A. all of the above
- B. fire clay refractory
- C. high alumina refractories
- D. insulating refractories
正解: C
質問 47
Hex mesh supplied in flexible rolls and ready fit to a curved surfaces is called
- A. Hexcel
- B. Hexalt anchor
- C. Flexmesh
- D. All of the above
正解: C
質問 48
Heating the new refractory too rapidly will cause
- A. Structural deterioration
- B. Explosive spalling
- C. None of the above
- D. Chemical attack
正解: B
質問 49
Refractory lined pipe used for the transport of hot particulate medium and gases between process vessels is called
- A. None of the above
- B. Standpipe of FCCU
- C. Transfer line of FCCU
- D. Fractionator of FCCU
正解: C
質問 50
The destructive chemical reaction between refractories and external agencies at high temperatures, resulting in the formation of a liquid is called
- A. None of the above
- B. Slagging of refractories
- C. Slumping of refractories
- D. Dusting of refractories
正解: B
質問 51
Based on-screen analysis, the size of Alumina - silicate aggregate in typical modern castable is
- A. None of the above
- B. 60 - 70%
- C. 50 - 60%
- D. 70 - 8-%
正解: B
質問 52
A group of rock minerals having nearly perfect cleavage in one direction and consisting of thin elastic plates and the most common varieties are muscovite and biotite is called
- A. Mica
- B. Corundum
- C. None of the above
- D. Kaolin
正解: A
質問 53
A separation between adjoining parts of a refractory lining that allows small expansive movements, such as those caused by thermal change is known as
- A. None of the above
- B. Thermal conductivity
- C. Thermal expansion
- D. Expansion joint
正解: D
質問 54
Brick, tile, fired shapes and fused cast shapes are
- A. unshaped refractory
- B. refractory fiber
- C. shaped refractory
- D. all above
正解: C
質問 55
Refractory failure mechanisms are.
- A. All of the above
- B. Overheating and chemical attack
- C. Thermal shock and mechanical abuse
- D. Erosion and corrosion
正解: A
質問 56
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. Physical property standards
- C. None of the above
- D. Chemical property standards
正解: B
質問 57
For modules of rupture test of brick and shapes, the preferred test specimen shall be standard
- A. 150 x 114 x 76mm
- B. None of the above
- C. 200 x 150 x 76mm
- D. 228 x 114 x 64 or 76mm
正解: D
質問 58
The standard test method for abrasion resistance of refractory materials at room temperature is
- A. C 181 - 91
- B. None of the above
- C. C 704 - 01
- D. C 133 - 97
正解: C
質問 59
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