Q. The concrete mix which causes difficulty in obtaining a smooth finish, possess

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Q. Le-Chatelier's apparatus is used for testing

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Q. 'Ware house pack' of cement means

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Q. In the method of voids for determination of the quantity of cement paste, it is assumed that

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Q. If a grading curve is horizontal bet-wen the portions of 20 mm I.S. Sieve and 4.75 mm I.S. Sieve, the graded aggregates do not contain

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Q. The size of fine aggregates does not exceed

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Q. An aggregate is known as cyclopean aggregate if its size is more than

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Q. The main object of compaction of concrete, is:

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Q. Pick up the correct statement from the following:

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Q. Particles of 0.002 mm size are that of

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Q. On a grading curve, the gap grading is represented by

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Q. Bulking of sand is

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Q. Curing of pavements, floors, roofs and slabs, is done by

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Q. Pick up the incorrect statement from the following:

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Q. The surface where two successive placements of concrete meet, is known as

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Q. Concrete is unsuitable for compaction by a vibrator if it is

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Q. Inert material of a cement concrete mix, is

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Q. Sands of zone I are

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Q. The lower water cement ratio in concrete, introduces

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Q. The cement becomes useless if its absorbed moisture content exceeds

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