Q. ________ has designated the concrete mixes into a number of grades as M10, M15.

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Q. Maximum nominal size of aggregates to be used in concrete may be as large as possible within the limits prescribed by _______

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Q. Identify the type of destructive testing.

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Q. Which test can be performed without skilled labor?

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Q. Compressive strength of hardened concrete is done by _______

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Q. In the soundness test a specimen of hardened cement paste is _______ for a fixed time.

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Q. On cooling below 1250ºC, C₃S decomposes ______

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Q. The loss in weight should not exceed ______ percent when tested with sodium sulphate and ______ percent with magnesium sulphate solution.

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Q. In a dry environment, concrete strength will be loosed as much as __________ % in moist environment.

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Q. After finishing concrete surface must be kept __________

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Q. A ___________ paste structure undergoes ___________ creep.

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Q. SCC has __________ yield stress.

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Q. SCC has __________ deformability.

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Q. SCC has __________ viscosity.

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Q. SCC has ___________ segregation resistance.

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Q. SCC is measured using the _________

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Q. IS 457:1957 is for _____

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Q. IS 1489(Part 1):1991 is for ___________

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Q. IS 1489(Part 2):1991 is for ______________

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Q. IS 1727:1967 is for ____________

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