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Question 31/38
Which of the following is a longitudinally hinged anchoring system for curved applications?
Correct Answer: D
Flexmesh is a longitudinally hinged anchoring system used in curved refractory linings. Its flexibility allows it to conform to the contours of circular vessels such as cyclones and ducts, reducing the risk of anchor failure and refractory cracking due to thermal stress and differential movement.
According to API 936 guidance and referenced literature like API TR 980, Flexmesh is particularly suited for applications in reformers, regenerators, and vessels with complex geometries. The system improves lining integrity by allowing a more adaptable and secure attachment of the refractory lining.
Reference:API TR 980 -Monolithic Refractories: Installation and Dryout, Section on "Anchoring Systems" API Std 936 - Appendix on anchoring devices
According to API 936 guidance and referenced literature like API TR 980, Flexmesh is particularly suited for applications in reformers, regenerators, and vessels with complex geometries. The system improves lining integrity by allowing a more adaptable and secure attachment of the refractory lining.
Reference:API TR 980 -Monolithic Refractories: Installation and Dryout, Section on "Anchoring Systems" API Std 936 - Appendix on anchoring devices
- Question List (38q)
- Question 1: As-installed gunned test specimens are prepared by cutting s...
- Question 2: Which of the following is a correct condition for gunned mat...
- Question 3: Test results received from cast sample mock-ups will serve t...
- Question 4: Plastic refractories with a workability index below the manu...
- Question 5: Which of the following does not apply to cold crushing stren...
- Question 6: If the refractory lining is required before pressure testing...
- Question 7: Maximum allowable crack length, visible on the surface of a ...
- Question 8: Newly applied cast linings must cure before stripping the fo...
- Question 9: During gunning, inclusion of rebound is minimized by which o...
- Question 10: A pigment shall be used in the curing compound in order to:...
- Question 11: Who is responsible for the accuracy of installation records?...
- Question 12: Which of the following steps are required to apply to thin-l...
- Question 13: What characteristic shall be required for form selection?...
- Question 14: What abrading media is required in the ASTM C-704 abrasion-r...
- Question 15: Abrasion resistance of a material is reported as loss of:...
- Question 16: Which of the following conditions must be met for test resul...
- Question 17: For non-erosive service, what is the required number of test...
- Question 18: Which of the following is the inspector responsible for?...
- Question 19: An alternative to wire mesh baskets is a panel with enclosed...
- Question 20: The quantity of manufactured refractory that has the same fo...
- Question 21: Throughout a period of at least 24 hours, test specimens for...
- Question 22: The vessel in which the cracking reaction occurs or is compl...
- Question 23: For qualification testing, test panels for pneumatic gunning...
- Question 24: What is the ASTM test designation for cold crush strength?...
- Question 25: From each production run, the testing frequency for erosion ...
- Question 26: A layer coat of refractory lining that is applied to an exis...
- Question 27: Which of the following statements regarding curing of hydrau...
- Question 28: Equipment used during applicator qualification testing shall...
- Question 29: In the absence of owner specification, which party or indivi...
- Question 30: For linings that use a surface layer of refractory plastic o...
- Question 31: Which of the following is a longitudinally hinged anchoring ...
- Question 32: Ceramic fiber batten strips shall be:...
- Question 33: The term "shelf life" refers to the maximum time:...
- Question 34: Which of the following is a quality control element? (This m...
- Question 35: Apparent porosity values are reported as:...
- Question 36: A change in the length of a specimen measured before and aft...
- Question 37: Cold wall refractory lined components shall be dried out by ...
- Question 38: Testing to verify that the application equipment and personn...
