Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 30 : 20 : 30 : 20 50 : 20 : 20 : 10 50 : 20 : 10 : 20 40 : 30 : 20 : 10 30 : 20 : 30 : 20 50 : 20 : 20 : 10 50 : 20 : 10 : 20 40 : 30 : 20 : 10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Lead Silver Mica Glass Lead Silver Mica Glass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resistance of steel is increased by adding Nickel and chromium Sulphur, lead and phosphorus Chromium Nickel Nickel and chromium Sulphur, lead and phosphorus Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains 80% or more iron 50% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities 80% or more iron 50% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Hardness Strength and ductility Machinability Hardness and strength Hardness Strength and ductility Machinability Hardness and strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of 35 57 710 1015 35 57 710 1015 ANSWER DOWNLOAD EXAMIANS APP
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