Which of the following is the purest form of iron ?

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The main function of alumina in brick earth is_______________?

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As per IS specifications, the maximum final setting time for ordinary Portland cement should be_______________?

A. 30 minutes B. 1 hour C. 6 hours D. 10 hours...

Which of the following cements is suitable for use in massive concrete structures such as large dams ?

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In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to_________________?

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The function of cleats in a roof truss is______________?

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