Materials and Construction Biological shield in a nuclear power reactor is made of Steel Cadmium Concrete Zircalloy Steel Cadmium Concrete Zircalloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys. Iron Manganese Beryllium Copper Iron Manganese Beryllium Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron rust is Ferric sulphide Powdered iron Ferrous oxide Hydrated ferric oxide Ferric sulphide Powdered iron Ferrous oxide Hydrated ferric oxide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tempering of steel is done to make it Hard Rollable Soft Brittle Hard Rollable Soft Brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cementite is All of these Fe₃C chemically Characterised by an orthorhombic crystal structure A compound of carbon and iron All of these Fe₃C chemically Characterised by an orthorhombic crystal structure A compound of carbon and iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Decreases its melting point Makes it malleable Does not affect its melting point Increases its melting point Decreases its melting point Makes it malleable Does not affect its melting point Increases its melting point ANSWER DOWNLOAD EXAMIANS APP