Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as White or forge pig Mottled pig Grey or foundry pig Bessemer pig White or forge pig Mottled pig Grey or foundry pig Bessemer pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks which are formed due to pouring of magma at the earth's surface are called Volcanic rocks Igneous rocks Hypabyssal rocks Plutonic rocks Volcanic rocks Igneous rocks Hypabyssal rocks Plutonic rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The thermosetting plastic All listed here Chars at 343°C At 127°C to 177°C permanently set and further application of heat does not soften it Becomes rigid when moulded at suitable pressure and temperature All listed here Chars at 343°C At 127°C to 177°C permanently set and further application of heat does not soften it Becomes rigid when moulded at suitable pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Building Materials Resins are Not soluble in water Left behind on evaporation of oil Soluble in spirit Used in varnishes Not soluble in water Left behind on evaporation of oil Soluble in spirit Used in varnishes ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rock generally used for roofing, is Basalt Slate Pumice Granite Basalt Slate Pumice Granite ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage content of silica in window glass, is 50 to 55 70 to 75 40 to 45 60 to 65 50 to 55 70 to 75 40 to 45 60 to 65 ANSWER DOWNLOAD EXAMIANS APP