Building Materials Percentage of silica in a good brick earth lies between 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used color pigment in paints, is All listed here Iron oxide Ambers Carbon black All listed here Iron oxide Ambers Carbon black ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime is Calcium carbonate None of these Calcium hydroxide Calcium oxide Calcium carbonate None of these Calcium hydroxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most fire resistant paints are: Aluminium paints Asbestos paints Cement paints Enamel paints Aluminium paints Asbestos paints Cement paints Enamel paints ANSWER DOWNLOAD EXAMIANS APP
Building Materials The pigment used in paints for corrosive resistance, is Red lead Zinc white Ferrous oxide White lead Red lead Zinc white Ferrous oxide White lead ANSWER DOWNLOAD EXAMIANS APP
Building Materials The variety of pig iron used for the manufacture of steel by Bessemer process, is Mottled pig Bessemer pig White forge pig Grey pig Mottled pig Bessemer pig White forge pig Grey pig ANSWER DOWNLOAD EXAMIANS APP
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