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[Hardware] API-936 Latest Test Cram & Examinations API-936 Actual Questions

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【Hardware】 API-936 Latest Test Cram & Examinations API-936 Actual Questions

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Holding an API-936 certification demonstrates a high level of expertise and knowledge in the field of refractory materials. It is a valuable credential for individuals seeking to advance their careers in industries that involve high-temperature applications. Companies that employ individuals with API-936 certification can be assured that they have a competent and knowledgeable workforce capable of handling complex refractory material projects.
API-936 exam covers a wide range of topics related to refractory materials, including their properties, installation, inspection, and repair. API-936 Exam also covers safety procedures and regulations related to refractory materials. Passing the API-936 exam demonstrates an individual's understanding and ability to work with refractory materials safely and effectively.
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API-936 Certification Exam is open to refractory personnel with a minimum of one year of experience in the field of refractory installation, inspection, testing, and repair. API-936 exam is available in multiple languages and is conducted online or at designated testing centers. API-936 Exam consists of 120 multiple-choice questions, and candidates have four hours to complete it. To pass the exam, candidates must score a minimum of 70%.
API Refractory Personnel Sample Questions (Q52-Q57):NEW QUESTION # 52
Which of the following is false per the requirements of API Standard 936?
  • A. Density shall be determined using cubes or erosion plates and linear change bars.
  • B. Cold crush strength is determined using two 4-1/2 in. (144 mm) × 4-1/2 in. (114 mm) × 4-1/2 in. (114 mm) cubes.
  • C. Abrasion resistance is determined using two 4-1/2 in. (114 mm) × 4-1/2 in. (144 mm) × 1 in. (25 mm) specimens.
  • D. Permanent linear change is determined with one 2 in. (50 mm) × 2 in. (50 mm) × 9 in. (230 mm) specimen.
Answer: B
Explanation:
According to API Standard 936, the correct specimen dimensions for cold crush strength testing are:
"Test specimens for cold crushing strength shall be2 in. (50 mm) cubesamples prepared in accordance with ASTM C133."
-API Std 936, Section 6.4.2
This directly invalidates option A, which incorrectly states the specimen size as 4-1/2 inches.
For the other options:
Option B - Density determination:
API 936 states that density shall be measured using the same specimens used for linear change and abrasion resistance:
"Bulk density shall be determined using the same specimens prepared for the linear change and abrasion resistance tests."
-API Std 936, Section 6.4.3
"These specimens include cubes, linear change bars, and erosion plates."
-Appendix A, API Std 936
Option C - Abrasion resistance specimen size:
"Two 4-1/2 in. × 4-1/2 in. × 1 in. (114 mm × 114 mm × 25 mm) specimens shall be prepared for abrasion resistance testing."
-API Std 936, Section 6.4.4
Option D - Permanent linear change specimen size:
"Permanent linear change (PLC) is determined with a bar 2 in. × 2 in. × 9 in. (50 mm × 50 mm × 230 mm) cast in steel molds."
-API Std 936, Section 6.4.1
Therefore, Option A is the only false statement.

NEW QUESTION # 53
Each sample tested in accordance with ASTM C181 for workability index shall consist of how many specimens?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Answer: D
Explanation:
According to API Std 936, which incorporates ASTM C181 by reference:
"Each sample tested for workability index in accordance with ASTM C181 shall consist of three specimens."
- API Std 936, Section 6.4.6 Workability Testing
Thus, Option C is correct. This testing ensures consistency in the flow characteristics of castable refractories prior to installation.

NEW QUESTION # 54
The best definition for creep is:
  • A. shrinkage at high temperatures.
  • B. deformation due to continuous load over time.
  • C. cracking caused by thermal shock.
  • D. an increase in expansion at high temperatures.
Answer: B
Explanation:
Creepin refractories is the slow, time-dependentdeformation of a material under constant stressand high temperature. It is critical in applications like reformers and furnaces where the refractory is under load for extended periods. The amount of deformation is typically measured over 50-100 hours in standardized tests such as ASTM C832.
Creep is not the same as thermal expansion (which is reversible), or cracking (a sudden failure).
Reference:
API TR 981 -Thermal Expansion Under Load and Creep of Refractories, defines creep as deformation due to a sustained load over time under high temperatures

NEW QUESTION # 55
Mechanical wearing away of the surfaces of refractory bodies in service by washing action of moving liquid or gases is called
  • A. Crumble of refractories
  • B. Spalling of refractories
  • C. None of the above
  • D. Erosion of refractories
Answer: D

NEW QUESTION # 56
The standard size of a fabricated test panel for pneumatic gunning qualification is
  • A. (500 mm x 500 mm)
  • B. None of the above
  • C. (600 mm x 600 mm) 24 " x 24"
  • D. (700 mm x 700 mm)
Answer: C

NEW QUESTION # 57
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