Gypsum consists of
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For the manufacture of plywood, veneers are placed so that grains of adjacent veneers
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The most important constituent of an oil paint, is
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Stucco paints are suitable for
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Depending on the chemical composition and mechanical properties, iron may be classified as
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Initial setting time of cement for asbestos cement products should be not less than
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Number of bricks required for one cubic metre of brick masonry is
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The minimum compressive strength of 2nd class bricks should be
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The minimum compressive strength of 1st class bricks should be
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Permanent magnets are made of high carbon steel and
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Addition of pozzolana to ordinary Portland cement increases
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As per IS specifications, the maximum final setting time for ordinary Portland cement should be
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Which of the following has more fire resisting characteristics?
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Which of the following metamorphic rocks has the most weather resisting characteristics?
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The proportions of lime and sand in the mortar normally used in brick construction are
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Stainless steel resists corrosion due to
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Chlorite, a green colour mineral is mainly derived from the decomposition of
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Excess of silica in brick earth results in
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Bitumen felt is used for
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A ferrous metal is
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