Engineering Materials Nickel when added to copper improves Machinability Strength and ductility Hardness and strength Hardness Machinability Strength and ductility Hardness and strength Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Nickel Cobalt Vanadium Molybdenum Nickel Cobalt Vanadium Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace produces following by reduction of iron ore Cast iron Malleable iron Wrought iron Pig iron Cast iron Malleable iron Wrought iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Process of Austempering results in Formation of bainite structure Lamellar layers of carbide distributed throughout the structure Martenistic structure Carburised structure Formation of bainite structure Lamellar layers of carbide distributed throughout the structure Martenistic structure Carburised structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Internal stresses are relieved Cooling is done slowly and steadily All of these Steels are heated to 500 to 700°C Internal stresses are relieved Cooling is done slowly and steadily All of these Steels are heated to 500 to 700°C ANSWER DOWNLOAD EXAMIANS APP
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