Building Materials Pig iron is manufactured from the ores by Dressing All of these Smelting Calcination and roasting Dressing All of these Smelting Calcination and roasting ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos All of these Is a natural fibrous mineral substance Contains iron oxide and alumina Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) All of these Is a natural fibrous mineral substance Contains iron oxide and alumina Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The term frog means An apparatus to lift the stone Soaking brick in water Vertical joint in a brick work A depression on a face of brick An apparatus to lift the stone Soaking brick in water Vertical joint in a brick work A depression on a face of brick ANSWER DOWNLOAD EXAMIANS APP
Building Materials Red short iron cracks when bent due to the presence of Silicon Sulphur Carbon Phosphorus Silicon Sulphur Carbon Phosphorus 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 Seasoning of timber is done To make it water proof To paint its surface To increase its temperature To remove water To make it water proof To paint its surface To increase its temperature To remove water ANSWER DOWNLOAD EXAMIANS APP
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