Building Materials Slate is formed by metamorphic action on Sand stone Granite Lime stone Shale Sand stone Granite Lime stone Shale ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as White or forge pig Bessemer pig Mottled pig Grey or foundry pig White or forge pig Bessemer pig Mottled pig Grey or foundry pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality stones must Be free from clay Resist action of acids Be durable All of these Be free from clay Resist action of acids Be durable All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick 10 % 20 % None of these 15 % 10 % 20 % None of these 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement contains Di-calcium silicate Tri-calcium silicate Tetra-calcium alumino-ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Tetra-calcium alumino-ferrite Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sand stone is Volcanic rock Metamorphic rock Sedimentary rock Igneous rock Volcanic rock Metamorphic rock Sedimentary rock Igneous rock ANSWER DOWNLOAD EXAMIANS APP