VALID API-936 STUDY NOTES - VALID API-936 TEST CRAM

Valid API-936 Study Notes - Valid API-936 Test Cram

Valid API-936 Study Notes - Valid API-936 Test Cram

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Tags: Valid API-936 Study Notes, Valid API-936 Test Cram, Test API-936 Centres, API-936 Valid Test Vce, Valid Dumps API-936 Ebook

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To make preparation easier for you, ITExamSimulator has created an Refractory Personnel (API-936) PDF format. This format follows the current content of the Refractory Personnel (API-936) real certification exam. The Refractory Personnel (API-936) dumps PDF is suitable for all smart devices making it portable. As a result, there are no place and time limits on your ability to go through API API-936 real exam questions pdf.

With API-936 test guide, you only need a small bag to hold everything you need to learn. In order to make the learning time of the students more flexible, API-936 exam materials specially launched APP, PDF, and PC three modes. With the APP mode, you can download all the learning information to your mobile phone. In this way, whether you are in the subway, on the road, or even shopping, you can take out your mobile phone for review. API-936 study braindumps also offer a PDF mode that allows you to print the data onto paper so that you can take notes as you like and help you to memorize your knowledge. At the same time, regardless of which mode you use, API-936 test guide will never limit your download times and the number of concurrent users. For the same information, you can use it as many times as you want, and even use together with your friends.

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Valid API-936 Test Cram & Test API-936 Centres

The candidates can test themselves for the Refractory Personnel exam day by attempting the Refractory Personnel API-936 practice test on the software. There is preparation material available on the API-936 Practice Exam software by ITExamSimulator to study for the API API-936 test.

API Refractory Personnel Sample Questions (Q37-Q42):

NEW QUESTION # 37
What temperature is required to form a permanent bond in phosphate-bonded plastic refractory?

  • A. 500°F to 700°F (260°C and 370°C)
  • B. 50°F to 100°F (10°C and 38°C)
  • C. 300°F to 500°F (150°C and 260°C)
  • D. 100°F to 300°F (38°C and 150°C)

Answer: A

Explanation:
Phosphate-bonded plastic refractories develop their final bonding during high-temperature exposure. As described in TR 980:
"Phosphate-bonded plastics require temperatures between 500°F and 700°F (260°C and 370°C) to form a permanent ceramic bond."
- API TR 980, Section 5.2.3


NEW QUESTION # 38
Hydration is the process that causes refractory concrete to:

  • A. become formable.
  • B. dry out.
  • C. develop green strength.
  • D. resist heat.

Answer: C

Explanation:
Hydrationrefers to the chemical reaction between water and cement components in refractory concretes (hydraulic bonded castables), resulting in the formation ofcalcium-aluminate hydrates, which are responsible for initial strength-known asgreen strength. This strength enables the lining to be demolded and eventually dried without mechanical failure.
Hydration is not related to final heat resistance or dryout; those come later during the firing or heat-up stages.
It is distinct from setting in air-setting refractories or sintering in ceramic-bonded types.
Reference:
API TR 978 - Section on Hydraulic Bonded Castables and Cement Chemistry: "Hydration develops green strength necessary for handling and pre-dryout stages."


NEW QUESTION # 39
Who is responsible to approve refractory dryout procedures that have more than one heat source?

  • A. Manufacturer
  • B. Owner
  • C. Contractor
  • D. Inspector

Answer: B

Explanation:
According to API TR 980 - Monolithic Refractories: Installation and Dryout, when multiple heat sources are used during refractory dryout, the final approval must come from the Owner:
"If more than one heat source is used, the contractor shall obtain written approval from the Owner for the dryout procedure."
- API TR 980, Section 6.2.2
While the contractor may propose or execute the dryout, the responsibility for ensuring its validity and safety-especially when multiple heat sources are involved-rests with the Owner.


NEW QUESTION # 40
Which of the following does not apply to cold crushing strength (CCS)?

  • A. Testing shall be in accordance with ASTM C1113
  • B. CCS shall be determined on samples that have been fired to 1500°F (815°C)
  • C. The loading head of the testing machine shall have a spherical bearing block
  • D. Density of sample affects testing loading rate

Answer: A

Explanation:
Cold crushing strength testing must conform to ASTM C133, not C1113. ASTM C1113 applies to thermal conductivity measurements using hot-wire techniques, not compressive strength.
"CCS shall be determined in accordance with ASTM C133. The loading surface of the test machine shall be a steel bearing block with a spherical bearing surface."
- API Std 936, Section 6.4.2
Thus:
A is correct (density can affect rate of loading).
B is incorrect, making it the correct answer.
C and D are correct per standard testing procedures.


NEW QUESTION # 41
When is metal fiber reinforcement used in castable refractory?

  • A. Only when added in the field
  • B. For all monolithic hot face castable refractory materials
  • C. Only when specified by the owner
  • D. Only when extra strength is required

Answer: C

Explanation:
Metal fiber reinforcement isnot a universal requirementfor all castables; it isused only when explicitly specifiedby theowneror design engineer based on the thermal and mechanical service conditions. Fibers are typically added to enhance resistance to thermal shock, spalling, or dynamic loads, particularly in cyclic or erosive environments like FCCU risers.
API 936 requires adherence to project specifications, and unless the use of fiber reinforcement isclearly indicated in the job specifications, it is not assumed or automatically added.
Reference:
API Std 936, Clause on Material Design and Job Specifications: "Metal fiber reinforced castables shall be used only where required by the job specifications." API TR 980, "Use of Fiber-Reinforced Castables," states: "Fiber reinforcement is not intrinsic to all castables and shall be used only when required by design."


NEW QUESTION # 42
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