Engineering Materials Cyaniding is the process of Obtaining cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Reacting steel surface with cyanide salts Dipping steel in cyanide bath Obtaining cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Reacting steel surface with cyanide salts Dipping steel in cyanide bath ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum Perpendicular to lines of slag distribution Along the lines of slag distribution None of these Uniform in all directions Perpendicular to lines of slag distribution Along the lines of slag distribution None of these Uniform in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Strength and ductility Hardness and strength Hardness Machinability Strength and ductility Hardness and strength Hardness Machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Make the iron white and hard Increases hardness and brittleness Makes the iron soft and easily machinable Aids fusibility and fluidity Make the iron white and hard Increases hardness and brittleness Makes the iron soft and easily machinable Aids fusibility and fluidity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in None of these Alpha-iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma-iron, aluminium, copper, lead, silver and nickel None of these Alpha-iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma-iron, aluminium, copper, lead, silver and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Zinc Vanadium Tin Sulphur Zinc Vanadium Tin Sulphur ANSWER DOWNLOAD EXAMIANS APP