Engineering Materials Perminvar alloy having constant permeability is an alloy of Nickel, copper and zinc Nickel, copper and iron Copper, nickel and antimony Iron, zinc and bismuth Nickel, copper and zinc Nickel, copper and iron Copper, nickel and antimony Iron, zinc and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The elastic stress strain behavior of rubber is Linear Nonlinear No fixed relationship Plastic Linear Nonlinear No fixed relationship Plastic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel Vanadium, aluminium Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Flakes Free carbon Nodular aggregates of graphite Cementite Flakes Free carbon Nodular aggregates of graphite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 1400°C to 1530°C 600°C to 900°C 900°C to 1400°C 400°C to 600°C 1400°C to 1530°C 600°C to 900°C 900°C to 1400°C 400°C to 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese in steel increases its Hardness Fluidity Tensile strength Ductility Hardness Fluidity Tensile strength Ductility ANSWER DOWNLOAD EXAMIANS APP