Building Materials The basic purpose of a retarder in concrete is To decrease the initial setting time of cement paste in concrete To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix To render the concrete more water tight ANSWER DOWNLOAD EXAMIANS APP
Building Materials Chemically, marble is known as Siliceous rock Calcareous rock Metamorphic rock Argillaceous rock Siliceous rock Calcareous rock Metamorphic rock Argillaceous rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 15 % 10 % 25 % 20 % 15 % 10 % 25 % 20 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Whitworth compressed steel is obtained when molten steel is subjected to a pressure of 5 kg/mm² 9 kg/mm² 15 kg/mm² 13 kg/mm² 5 kg/mm² 9 kg/mm² 15 kg/mm² 13 kg/mm² ANSWER DOWNLOAD EXAMIANS APP
Building Materials For the manufacture of plywood, veneers are placed so that grains of adjacent veneers Run at right angles Inclined at 60° Inclined at 45° Parallel Run at right angles Inclined at 60° Inclined at 45° Parallel ANSWER DOWNLOAD EXAMIANS APP
Building Materials Snowcrete is one of the patent forms of Distempers Cellulose paints Enamel paints Water proof cement paints Distempers Cellulose paints Enamel paints Water proof cement paints ANSWER DOWNLOAD EXAMIANS APP
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