Civil Engineering :: Concrete Technology
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Slump test of concrete is a meausre ofits
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According to Water-Cement Ratio Law, the strength of workable plastic concrete
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Pick up the incorrect statement from the following:
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Saw dust can be rendered chemically inert by boiling it in water containing
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Pick up the correct statement from the following:
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The factor which affects workability, is
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The cement whose strength is a little lower than the ordinary cement during the first three months but attains afterwards the same strength, is known as
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Pick up the correct statement from the following:
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Pick up the correct statement from the following:
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Pick up the incorrect statement applicable to the field test of good cement.
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A.
High percentage of C3S and low percentage of C2S cause rapid hardening |
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B.
High percentage of C3S and low percentage of C2S make the cement less resistive to chemical attack |
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C.
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D.
Low percentage of C3S and high percentage of C2S provide greater resistance to chemical attack |
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E.
All the above. |
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A.
Sand stones may be divided into calcareous, siliceous and ferrugineous sand stones |
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B.
Concrete using sand stones, cracks due to excessive shrinkage |
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C.
Very hard and close grained crystallined lime stones are suitable aggregates but provide low strength |
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D.
Broken bricks produce a concrete having good fire resisting qualities |
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E.
All the above. |