Aggregate and Cement Testing - Applications
Q. Which test is used to determine the soundness of cement?
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A.
Vicat test
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B.
Le Chatelier test
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C.
Blaine air permeability test
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D.
Water absorption test
Solution
The Le Chatelier test is used to determine the soundness of cement, ensuring it does not expand excessively after setting.
Correct Answer: B — Le Chatelier test
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Q. Which test is used to determine the water absorption of aggregates?
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A.
Specific gravity test
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B.
Los Angeles abrasion test
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C.
Water absorption test
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D.
Sieve analysis
Solution
The water absorption test measures the porosity of aggregates, which affects the water-cement ratio in concrete.
Correct Answer: C — Water absorption test
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Q. Which test is used to measure the compressive strength of concrete?
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A.
Slump test
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B.
Cube test
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C.
Flexural test
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D.
Tensile test
Solution
The cube test is commonly used to measure the compressive strength of concrete by testing concrete cubes under pressure.
Correct Answer: B — Cube test
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Q. Which test is used to measure the water absorption of aggregates?
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A.
Los Angeles abrasion test
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B.
Specific gravity test
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C.
Water absorption test
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D.
Sieve analysis
Solution
The water absorption test measures the porosity of aggregates, which is crucial for understanding their performance in concrete.
Correct Answer: C — Water absorption test
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Q. Which type of cement is commonly used for high-strength concrete?
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A.
Ordinary Portland Cement
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B.
Rapid Hardening Cement
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C.
Sulphate Resisting Cement
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D.
White Cement
Solution
Ordinary Portland Cement is commonly used for high-strength concrete due to its good compressive strength characteristics.
Correct Answer: B — Rapid Hardening Cement
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