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Question 5/38
Which of the following does not apply to cold crushing strength (CCS)?
Correct Answer: B
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.
"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.
- 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...
