Materials and Construction A chemical change takes place when iron None of these Melts Rusts Is heated None of these Melts Rusts Is heated ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is A low carbon steel (0.05 to 0.3% carbon) Very poor in strength & ductility A high carbon steel (0.5 to 1.5% carbon) Highly resistant to corrosion (as much as stainless steel) A low carbon steel (0.05 to 0.3% carbon) Very poor in strength & ductility A high carbon steel (0.5 to 1.5% carbon) Highly resistant to corrosion (as much as stainless steel) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast irons are generally specified by their Carbon content Manufacturing proces Tensile strength Hardness Carbon content Manufacturing proces Tensile strength Hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Poly vinyl chloride Bakelite Polystyrene Polythene Poly vinyl chloride Bakelite Polystyrene Polythene ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermosetting polymers are None of these Cast molded Extruded Injection moulded None of these Cast molded Extruded Injection moulded ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 18-4-1 high speed steel contains 18%, 4% and 1% respectively of Tungsten, chromium and vanadium Vanadium, chromium and tungsten Tungsten, vanadium and chromium Chromium, tungsten and vanadium Tungsten, chromium and vanadium Vanadium, chromium and tungsten Tungsten, vanadium and chromium Chromium, tungsten and vanadium ANSWER DOWNLOAD EXAMIANS APP