TNPSC AE Civil Practice Questions - TNPSC Assistant Engineer (Civil) Examination Exam

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What is the minimum compressive strength required for a first-class brick after 24 hours of water immersion, as specified by Indian Standards (IS 1077)?

3.5 N/mm² 7.0 N/mm² 10.5 N/mm² 14.0 N/mm²

Correct Answer:

10.5 N/mm²

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