Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 40 : 30 : 20 : 10 50 : 20 : 20 : 10 30 : 20 : 30 : 20 50 : 20 : 10 : 20 40 : 30 : 20 : 10 50 : 20 : 20 : 10 30 : 20 : 30 : 20 50 : 20 : 10 : 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron contains carbon in the form of Cementite White carbon Free carbon Graphite Cementite White carbon Free carbon Graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Chromium Copper Magnesium Nickel Chromium Copper Magnesium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Brittle Neutral Basic Acidic Brittle Neutral Basic Acidic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the The brown smoke does not occur during the operation of a Bessemer converter Air is burning out silicon and manganese The converter must be titled to remove the contents of the converter Silicon and manganese has burnt and carbon has started oxidizing The brown smoke does not occur during the operation of a Bessemer converter Air is burning out silicon and manganese The converter must be titled to remove the contents of the converter Silicon and manganese has burnt and carbon has started oxidizing ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS