Q. In slump test, each layer of concrete is compacted by a steel rod 60 cm long and of 16 mm diameter for

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Q. If the average compressive strength is 4000 kg/cm² and standard deviation is 500, the co-efficient of variation is

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Q. For preparing ordinary concrete, the quantity of water used, is

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Q. Pick up the incorrect statement from the following:

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Q. For the construction of the retaining structures, the type of concrete mix to be used, is

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Q. An ideal ware house, is provided

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Q. Cement used for normal concrete construction, is obtained by burning a mixture of

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Q. Pick up the correct statement from the following:

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Q. Pick up the incorrect statement from the following:

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Q. Higher workability of concrete is required if the structure is

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Q. Setting time of cement increases by adding

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Q. Pick up the correct statement from the following:

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Q. The strength and quality of concrete, depend upon:

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Q. The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than

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Q. Pick up the incorrect statement from the following. While performing preliminary test on concrete

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Q. Sand requiring a high water cement ratio, belongs to

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Q. For a good concrete

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Q. If the effective plan area of a warehouse is 54 sq. m, and maximum height of piles permitted is 270 cm, the number of cement bags to be stored, is

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Q. Gypsum is added for

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Q. A concrete having a slump of 6.5 cm, is said to be

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