Engineering Materials Which of the following has a fine gold colour and is used for imitation jewellery? Silicon bronze Gun metal Babbitt metal Aluminium bronze Silicon bronze Gun metal Babbitt metal Aluminium bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which crystals grow bigger in size At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place At which crystals first start forming from molten metal when it is cooled At which crystals grow bigger in size At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place At which crystals first start forming from molten metal when it is cooled ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials There are fourteen atoms in a unit cell of Close packed hexagonal space lattice Body centered cubic space lattice None of these Face centered cubic space lattice Close packed hexagonal space lattice Body centered cubic space lattice None of these Face centered cubic space lattice ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged chaotically, is called Amorphous material Crystalline material Mesomorphous material None of these Amorphous material Crystalline material Mesomorphous material None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.55 0.45 0.3 0.7 0.55 0.45 0.3 0.7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 40 : 30 : 20 : 10 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 ANSWER DOWNLOAD EXAMIANS APP