Engineering Materials Preheating is essential in welding Cast iron All nonferrous materials High speed steel All of these Cast iron All nonferrous materials High speed steel All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Nichrome Elinvar Magnin Invar Nichrome Elinvar Magnin Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Brass Copper Duralumin Silver Brass Copper Duralumin Silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver contains 2% silver 5% silver No silver 1% silver 2% silver 5% silver No silver 1% silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Nickel Silicon Chromium Copper Nickel Silicon Chromium Copper 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 Face centered cubic space lattice None of these Close packed hexagonal space lattice Body centered cubic space lattice Face centered cubic space lattice None of these ANSWER DOWNLOAD EXAMIANS APP
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