Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Invar Austenitic stainless steel High speed steel Heat resisting steel Invar Austenitic stainless steel High speed steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Ferromagnetic at room temperature Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice Ferromagnetic at room temperature Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the least carbon percentage? Wrought iron Low carbon steel Mild steel White cast iron Wrought iron Low carbon steel Mild steel White cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Perspex is nothing but Acrylic sheet Aluminium foil clad with bakelite An elastomer An alloy of lead and tin Acrylic sheet Aluminium foil clad with bakelite An elastomer An alloy of lead and tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its Corrosion resistance Tensile strength Machinability Compressive strength Corrosion resistance Tensile strength Machinability Compressive strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following contains maximum percentage of carbon? Saws for cutting steel Railway spring steel Rail steel Boiler plate steel Saws for cutting steel Railway spring steel Rail steel Boiler plate steel ANSWER DOWNLOAD EXAMIANS APP
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