Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Duralumin Y-alloy Hindalium Magnalium Duralumin Y-alloy Hindalium Magnalium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 2.1180555555556 2.9375 30 : 70 40 : 60 2.1180555555556 2.9375 30 : 70 40 : 60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Melting point Critical temperature Hardness Yield point Melting point Critical temperature Hardness Yield point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 910°C 1050°C Below recrystallization temperature 770°C 910°C 1050°C Below recrystallization temperature 770°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Recrystallization Heat treatment Precipitation Allotropic change Recrystallization Heat treatment Precipitation Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% Al2O3 Steel MgO SiO2 Al2O3 Steel MgO SiO2 ANSWER DOWNLOAD EXAMIANS APP