Building Materials Galvanising means covering iron with a thin coat of Glaze Zinc Coal tar Tin Glaze Zinc Coal tar Tin ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is 30, 70 25, 75 35, 65 All of these 30, 70 25, 75 35, 65 All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The hardest rock is Diamond Quartz Talc Marble Diamond Quartz Talc Marble ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Splits radiating from the centre Speckled strains Signs of branches cut off Defects caused by crushing fibres Splits radiating from the centre Speckled strains Signs of branches cut off Defects caused by crushing fibres ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done To increase its temperature To make it water proof To remove water To paint its surface To increase its temperature To make it water proof To remove water To paint its surface ANSWER DOWNLOAD EXAMIANS APP
Building Materials Brass is an alloy of Copper and zinc Tin and silver Zinc and lead Zinc and nickel Copper and zinc Tin and silver Zinc and lead Zinc and nickel ANSWER DOWNLOAD EXAMIANS APP