Building Materials Asbestos 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) All of these Is a natural fibrous mineral substance Contains iron oxide and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality cement contains higher percentage of Tetra calcium alumino ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of carbon content in mild steel is Less than 0.25 Greater than 1.5 Between 0.25 and 0.7 Between 0.7 and 1.5 Less than 0.25 Greater than 1.5 Between 0.25 and 0.7 Between 0.7 and 1.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Fibre boards can be Painted Used for furniture Distempered Painted and distempered Painted Used for furniture Distempered Painted and distempered ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron One quintal coke is required All listed here 20 kg limestone is required 700 m3 air is required One quintal coke is required All listed here 20 kg limestone is required 700 m3 air is required ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called Hypabyssal rocks Volcanic rocks Igneous rocks Plutonic rocks Hypabyssal rocks Volcanic rocks Igneous rocks Plutonic rocks ANSWER DOWNLOAD EXAMIANS APP