Materials and Construction Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property? Phosphorus Sulphur Silicon None of these Phosphorus Sulphur Silicon None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest material? Corrundum Quartz Topaz Flourite Corrundum Quartz Topaz Flourite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of cobalt in steel improves its None of these Tensile strength Cutting ability Corrosion resistance None of these Tensile strength Cutting ability Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic recuperators are generally made of Fireclay bricks Silicon carbide Calcium carbide High alumina bricks Fireclay bricks Silicon carbide Calcium carbide High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A bearing metal should not have Enough plasticity Low co-efficient of friction High toughness Low thermal conductivity Enough plasticity Low co-efficient of friction High toughness Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardened steel essentially contains Martensite Sorbite Troostite None of these Martensite Sorbite Troostite None of these ANSWER DOWNLOAD EXAMIANS APP