Civil Engineering :: Concrete Technology
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Pick up the correct statement from the following:
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The light weight aggregates are obtained from
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If the depth of moist sand in a cylinder is 15 cm and the depth of the sand when fully inundated with water is 12 cm, the bulking of the moist sand, is
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Pick up the correct statement from the following:
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Segregation is responsible for
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Addition of pozzolana to cement
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Pick up the incorrect statement from the following:
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A.
According to the petrological characteristics, concrete aggregates are classified as heavy weight, normal weight and light weight |
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B.
According to the shape of the particles, concrete aggregates are classified as rounded irregular, angular and flaky |
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C.
According to the surface texture of the particles, the concrete aggregates are classified as glassy, smooth, granular, rough, crystalline, honey combed and porous |
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D.
All the above. |
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A.
The degree of grinding of cement, is called fineness |
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B.
The process of changing cement paste into hard mass, is known as setting of cement |
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C.
The phenomenon by virtue of which cement does not allow transmission of sound, is known as soundness of cement |
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D.
The heat generated during chemical reaction of cement with water, is known as heat of hydration |
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E.
None of these. |