Building materials and Construction. Sheet - 03
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1) Question.
Cement is said to be of good quality if
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2) Question.
Portland pozzolana cement possesses
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3) Question.
The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is
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4) Question.
Quick lime
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5) Question.
Lime putty
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6) Question.
For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is
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7) Question.
The main constituent of fly-ash, is
Answer.Fly ash consists primarily of oxides of silicon, aluminum iron and calcium. Magnesium, potassium, sodium, titanium, and sulfur are also present to a lesser degree. When used as a mineral admixture in concrete, fly ash is classified as either Class C or Class F ash based on its chemical composition.
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8) Question.
For filling cracks in masonry structures, the type of bitumen used, is
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9) Question.
Asbestos cement
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10) Question.
Initial setting time of cement for asbestos cement products should be not less than
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11) Question.
Open test pit is only suitable upto a depth of
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12) Question.
The depth of the ground water table may be ascertained by
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13) Question.
For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than
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14) Question.
For each storey of a building, the depth of exploration should be
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15) Question.
Pick up the correct statement from the following:
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16) Question.
In clay soil
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17) Question.
Pick up the correct statement about silt soil from the following:
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18) Question.
Pick up the correct statement from the following:
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19) Question.
Gravels
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20) Question.
The rock formed form the solidification of molten matter (magma) is called
Answer.