The inert mineral material used for the manufacture of mortars and concretes is
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Wrong!
Initial setting time of ordinary Portland cement is
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For quality control of Portland cement, the test essentially done is
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The continuous strain, which the concrete undergoes due to application of external loads, is called
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Harshness in concrete is due to the excess of
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The mixture of different ingredients of cement, is burnt at
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The type of lime used in lime concrete is
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A suitable admixture added at the time of preparing the concrete mix, makes the concrete
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The chemical ingredient of cement which provides quick setting property to the cement is
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In order to provide color, hardness and strength to the cement, the ingredient used is
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Curing
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The commonly used material in the manufacture of cement is
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The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known
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Vicat's apparatus is used for
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For road pavements, the cement generally used, is
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Water required per bag of cement, is
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The process of hardening the concrete by keeping its surface moist is known
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CRRI charts are used to obtain a relationship between strength of concrete and
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Specified compressive strength of concrete is obtained from cube tests at the end of
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Blast furnace slag cement is used for
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In Vicat's apparatus, the diameter of Vicat plunger is
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Le-chatelier apparatus is used to perform
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The ratio of the volume of moist sand to the volume of dry sand is known as
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Slump test of concrete is a measure of its
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The shrinkage of concrete
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Separation of water or water sand cement from a freshly concrete, is known
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To obtain a very high strength concrete, use very fine grained
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Sand requiring a high water cement ratio, belongs to
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A concrete having a slump of 6.5 cm, is said to be
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Strength of concrete with passage of time
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Setting time of cement increases by adding
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The factor which effect the design of concrete mix is
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The importance of batching is to obtain
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The process of mixing, transporting, placing and compacting the cement concrete should not take more than
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For concreting of tunnel lining, the concrete is transported by
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The final operation of finishing the concrete surface is called
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The specifications of a cement bag for storage, are
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Horizontal construction joints in concrete walls are generally provided at
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Under normal circumstances, the beam soffits may be removed after
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Sand generally contains salt if it is obtained from
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Wrong!