Building Materials The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as Open hearth process Bessemer process Crucible process Cementation process Open hearth process Bessemer process Crucible process Cementation process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The fire clay contains pure Magnesium Hydrated aluminium silicate Lime Oxide of iron Magnesium Hydrated aluminium silicate Lime Oxide of iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following: Magnesia Alumina Lime Iron-oxide Magnesia Alumina Lime Iron-oxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: Wind cracks Heart shakes Radial shakes Twisted fibres Wind cracks Heart shakes Radial shakes Twisted fibres ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sandstone is a (i) Sedimentary rock (ii) Aqueous rock (iii) Siliceous rock Both (i) and (ii) Both (i) and (iii) All (i), (ii) and (iii) Only (i) Both (i) and (ii) Both (i) and (iii) All (i), (ii) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The yield strength and tensile strength of low carbon steel may be improved by the addition of Chromium Vanadium Nickel Manganese Chromium Vanadium Nickel Manganese ANSWER DOWNLOAD EXAMIANS APP