Q. The operation of removing humps and hollows of uniform concrete surface, is known as

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Q. The void ratio of

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Q. The type of aggregates not suitable for high strength concrete and for pavements subjected to tension, is

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Q. The aggregate containing moisture in pores and having its suface dry, is known as

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Q. The commercial name of white and coloured cement in India, is

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Q. Pick up the correct statement from the following:

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Q. To hydrate 500kg of cement full water needed, is

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Q. Slump test of concrete is a meausre ofits

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Q. According to Water-Cement Ratio Law, the strength of workable plastic concrete

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Q. Pick up the incorrect statement from the following:

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Q. Saw dust can be rendered chemically inert by boiling it in water containing

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Q. Pick up the correct statement from the following:

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Q. The bulk density of aggregates, is generally expressed as

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Q. The grade of concrete M 150 means that compressive strength of a 15 cm cube after 28 days, is

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Q. Allowable shear strength of concrete, depends upon

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Q. The most useless aggregate is one whose surface texture is

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Q. To obtain a very high strength concrete, use very fine grained

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Q. For the construction of R.C.C. slabs, columns, beams, walls, etc. the grade of concrete mix used, is

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Q. The type of aggregates of same nominal size, which contain less voids when compacted, are

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Q. For the construction of cement con-certe dams, the maximum permissible size of the aggregates, is

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