Civil Engineering :: Building Materials
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The size of mould for bricks, is generally kept
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Acrylic sheets
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The commonly used raw material in the manufacture of cement, is
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Pick up the correct statement from the following:
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The most commonly used base for timber painting, is
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Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following:
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The rocks formed from molten magma, are called
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Bitumen paints offer
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Pick up the correct statement from the following:
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The lime which contains high percentage of calcium oxide, is generally called
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For construction of structures under water, the type of lime used, is
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Pick up the correct statement from the following:
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A prime coat is given to steel work with
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Ground glass
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The harmonious mixing of the clay ingredients, is known as
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Brass is an alloy of
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The wedging is adopted for quarrying costly stratified rock such as
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Rapid hardening cement attains early strength due to
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The colour of statuary marble used for sculptor's work, is
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Second class bricks
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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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A.
The free quartz suddenly expands at a temperature lower than 600°C |
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B.
The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2 |
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C.
The sand stone with silicates resist a fire in a better way |
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D.
The argillaceous stone though poor in strength can resist fire quite weak |
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E.
All the above. |
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A.
Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38% |
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B.
The bulking of fine sand is more than that of coarse sand |
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C.
If the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing |
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D.
The volume of fully saturated sand equals that of dry sand |
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E.
All the above. |