API-936 Practice Dumps - Verified By DumpTorrent Updated 100 Questions
Updated API-936 Exam Dumps - PDF Questions and Testing Engine
API-936 exam covers a wide range of topics related to refractory materials, installation techniques, testing methods, and inspection procedures. API-936 exam consists of 120 multiple-choice questions, and candidates have four hours to complete it. To pass the exam, candidates must score at least 70% or higher.
NEW QUESTION # 26
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. castable
- B. mortar
- C. ceramic modules
- D. all of the above
Answer: A
NEW QUESTION # 27
As per ASTM C- 704, for the erosion tests, silicon carbide grit is to be used by
- A. Two time
- B. None of the above
- C. Three-time
- D. One time
Answer: D
NEW QUESTION # 28
The effective diameter of metal fiber is
- A. 0.3 - 0.6 mm
- B. 0.4 - 0.8mm
- C. None of the above
- D. 0.2 - 0.3mm
Answer: A
NEW QUESTION # 29
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 # 30
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. None of the above
- C. Corundum
- D. Kaolin
Answer: A
NEW QUESTION # 31
The vessel in which cracking reaction occurs or is completed and product gases are separated from coke and/or catalyst particulate is called
- A. None of the above
- B. Regenerator of FCCU
- C. Reactor of FCCU
- D. Cyclones of FCCU
Answer: C
NEW QUESTION # 32
Arrange for testing at either an independent laboratory or the manufacturer's plant is
- A. Owner responsibility
- B. Contractor responsibility
- C. Manufacturer responsibility
- D. Inspector responsibility
Answer: B
NEW QUESTION # 33
Additives used to facilitate moisture removal of refractory linings during dry out are called
- A. Organic fiber
- B. Metal fiber
- C. None of the above
- D. Mineral fiber
Answer: A
NEW QUESTION # 34
The application of monolithic refractories by means of air placement guns is
- A. Placing
- B. Casting
- C. Pouring
- D. Gunning
Answer: D
NEW QUESTION # 35
The surface of a refractory section not exposed to the source of heat
- A. Smooth face
- B. None of the above
- C. Cold face
- D. Hot face
Answer: C
NEW QUESTION # 36
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. In smelting operation, through the combination of a flux, such as limestone, with the gangue or waste portion of the ore
- D. By chemical reaction between refractories and fluxing agents such as coal ash, or between two different types of refractories
Answer: C
NEW QUESTION # 37
Refractories whose major constituent is lime, magnesia, or both and which may react chemically with acid refractories, acid slags, or acid fluxes at a high temperature is known as
- A. Acid refractories
- B. Natural refractories
- C. Basic refractories
- D. None f the above
Answer: C
NEW QUESTION # 38
Fused silica aggregate is used as a raw material in a castable providing
- A. Low thermal conductivity
- B. None of the above
- C. Low thermal expansion
- D. Low thermal conductivity and low thermal expansion
Answer: D
NEW QUESTION # 39
An internal component used for the separation of solids from flue or product gas in a fluid coking unit is called
- A. Riser of FCU
- B. None of the above
- C. A cyclone
- D. Plenum
Answer: C
NEW QUESTION # 40
Castable, gunning mixes, ramming mixes, plastics, and mortars are
- A. All of the above
- B. Refractory fiber
- C. Shaped refractory
- D. Unshaped refractory
Answer: D
NEW QUESTION # 41
Metallic anchor made from rod or bar and usually used for dual layer linings that are configured in
- A. Y shape
- B. All of the above
- C. V shape
- D. U shape
Answer: A
NEW QUESTION # 42
Modulus of rupture test for castable refractories, the test specimen shall be
- A. None of the above
- B. 9 x 2 x 2 in (228 x 51 x 51mm)
- C. 6 x 2 x 2 in
- D. 8 x 2 x 2 in
Answer: B
NEW QUESTION # 43
Mechanical wearing away of the surfaces of refractory bodies in service by washing action of moving liquid or gases is called
- A. Erosion of refractories
- B. None of the above
- C. Spalling of refractories
- D. Crumble of refractories
Answer: A
NEW QUESTION # 44
As per API recommended practice 936, the standard test method for reheat change of refractory brick is
- A. C 181 - 91
- B. None of the above
- C. C113 - 02
- D. C 133 - 97
Answer: C
NEW QUESTION # 45
The property of matter by virtue of which heat energy is transmitted through particles in contact.
- A. Thermal expansion
- B. None of the above
- C. Thermal shock
- D. Thermal conductivity
Answer: D
NEW QUESTION # 46
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