Building Materials The percentage of alumina in a good brick earth lies between 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen may be dissolved in Sodium chloride Water Carbon disulphide Carbondioxide Sodium chloride Water Carbon disulphide Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Duco paints are Oil paints Plastic paints Cellulose paints Emulsion paints Oil paints Plastic paints Cellulose paints Emulsion paints ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen completely dissolves in Coal tar All of these Carbon bisulphide Chloroform Coal tar All of these Carbon bisulphide Chloroform ANSWER DOWNLOAD EXAMIANS APP
Building Materials The fire clay contains pure Hydrated aluminium silicate Lime Oxide of iron Magnesium Hydrated aluminium silicate Lime Oxide of iron Magnesium ANSWER DOWNLOAD EXAMIANS APP
Building Materials The minimum compressive strength of 2nd class bricks should be 120 kg/cm² 100 kg/cm² 75 kg/cm² 90 kg/cm² 120 kg/cm² 100 kg/cm² 75 kg/cm² 90 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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