The 'Vicat apparatus' is used to determine for cement:
Choose the correct answer
Soundness expansion only
Standard consistency, initial setting time, and final setting time of cement paste
Compressive strength of cement mortar cubes
Fineness of cement by sieving
Correct Answer
B. Standard consistency, initial setting time, and final setting time of cement paste
AI Detailed Explanation & IS Code Reference
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Vicat apparatus (IS 4031 Part 4): measures standard consistency (% water for standard paste — needle penetration 33–35 mm from bottom). Initial setting time: time when 1 mm dia needle penetrates to depth 5–7 mm from bottom. Final setting time: time when needle does not make impression on paste. Results guide construction water and curing timelines.
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