Accurate Hot Selling API-936 Exam Dumps 2024 Newly Released
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NEW QUESTION # 23
Metallic anchor made from rod or bar and usually used for dual layer linings that are configured in
- A. V shape
- B. All of the above
- C. U shape
- D. Y shape
Answer: D
NEW QUESTION # 24
Commercially on calcined basis bauxite must contain at least
- A. None of the above
- B. 60% alumina
- C. 65% fused silica
- D. 65% alumina
Answer: D
NEW QUESTION # 25
As per ASTM C- 704, for the erosion tests, silicon carbide grit is to be used by
- A. None of the above
- B. Two time
- C. Three-time
- D. One time
Answer: D
NEW QUESTION # 26
Hex mesh supplied in flexible rolls and ready fit to a curved surfaces is called
- A. Hexcel
- B. Flexmesh
- C. All of the above
- D. Hexalt anchor
Answer: B
NEW QUESTION # 27
The terminology for testing refractory that was sampled during installation in order to confirm that they meet specified physical property standards is called
- A. Both of the above
- B. None of the above
- C. As - installed testing
- D. Physical property test
Answer: C
NEW QUESTION # 28
The term that describes the condition of pre-set refractory in which gravitational forces cause it to lose its desired shaped is called
- A. None of the above
- B. Punky
- C. Bloating
- D. Slumping
Answer: D
NEW QUESTION # 29
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 four
- D. At least two
Answer: A
NEW QUESTION # 30
A typical example of hexalt anchor is
- A. Hexcel
- B. S-bar
- C. Curl and Tacko anchors
- D. All of the above
Answer: D
NEW QUESTION # 31
For fire clay and some high alumina materials, the most commonly used index of refractoriness is known as:
- A. Refractoriness
- B. None of the above
- C. Refractoriness under load
- D. Pyrometric cone equivalent
Answer: D
NEW QUESTION # 32
Fused silica aggregate is used as a raw material in a castable providing
- A. None of the above
- B. Low thermal conductivity
- C. Low thermal conductivity and low thermal expansion
- D. Low thermal expansion
Answer: C
NEW QUESTION # 33
Compositions of ground refractory materials develop a strong bond at air ambient temperatures by virtue of chemical reactions within the binder phase that is usually activated by water additions. These refractories include cement and phosphate bonded castables is called:
- A. None of the above
- B. Heat setting refractories
- C. Air setting refractories
- D. Air and heat setting refractory
Answer: C
NEW QUESTION # 34
A metallic anchor made from rod or bar stock that is configured in a V-shape is called
- A. None of the above
- B. Stud wed
- C. V-anchor
- D. Footed anchor
Answer: C
NEW QUESTION # 35
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. 448 KPa (65 PSi)
- C. 400 KPa
- D. 450 KPa
Answer: B
NEW QUESTION # 36
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 # 37
The selected compression test section of the specimen for the CCs test shall be free from
- A. cCracks
- B. Chipped surfaces
- C. Other obvious defects
- D. All of the above
Answer: D
NEW QUESTION # 38
Arrange for testing at either an independent laboratory or the manufacturer's plant is
- A. Owner responsibility
- B. Inspector responsibility
- C. Manufacturer responsibility
- D. Contractor responsibility
Answer: D
NEW QUESTION # 39
Based on-screen analysis, the size of Alumina - silicate aggregate in typical modern castable is
- A. None of the above
- B. 50 - 60%
- C. 60 - 70%
- D. 70 - 8-%
Answer: C
NEW QUESTION # 40
Testing frequency for material qualification of refractory for erosion service requires
- A. None of the above
- B. 1 sample per pallet or more from each production run
- C. 1 sample per pallet or less from each production run
- D. 2 samples per pallet or more from each production run
Answer: C
NEW QUESTION # 41
In API RP 936, the referenced ASTM standard procedure for cold crushing strength and modulus of rupture is
- A. None of the above
- B. C181 - 91
- C. C 133 - 97
- D. C704 - 01
Answer: C
NEW QUESTION # 42
Pre-turn around planning means
- A. Any of the above
- B. At least 6 months prior to the turnaround
- C. At least 8 months prior to the turnaround
- D. At least 12 months prior to the turnaround
Answer: B
NEW QUESTION # 43
The formation of slag takes place by chemical action and fusion at furnace operating temperature in the way of
- A. All of the above
- B. In the refining of metals by substances such as lime added for the purpose of affecting or aiding the refining
- C. By chemical reaction between refractories and fluxing agents such as coal ash, or between two different types of refractories
- D. In smelting operation, through the combination of a flux, such as limestone, with the gangue or waste portion of the ore
Answer: D
NEW QUESTION # 44
The property of matter by virtue of which heat energy is transmitted through particles in contact.
- A. None of the above
- B. Thermal shock
- C. Thermal conductivity
- D. Thermal expansion
Answer: C
NEW QUESTION # 45
All the samples for the CCs test must be dried at 220 to 230?C (105 to 110?C) for
- A. 12 hrs (overnight)
- B. 24 hrs (overnight)
- C. 20 hrs (overnight)
- D. 18 hrs (overnight)
Answer: B
NEW QUESTION # 46
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. Ramming mix
- C. Plastic refractory
- D. Monolithic refractory
Answer: C
NEW QUESTION # 47
For air-setting phosphate bonded, erosion-resistant refractories mixing, the mixer's paddles, and bowls shall be
- A. None of the above
- B. Steel
- C. Carbon
- D. Aluminium
Answer: B
NEW QUESTION # 48
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