Engineering Materials in EE The Bohr model of the atom All of these had some made-up rules without explanations. explained the color lines in the hydrogen spectrum. could not explain the line spectrum of atoms larger than hydrogen. All of these had some made-up rules without explanations. explained the color lines in the hydrogen spectrum. could not explain the line spectrum of atoms larger than hydrogen. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of high melting point Because of covalent solid Because of large cohesive energy None of these Because of high melting point Because of covalent solid Because of large cohesive energy None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 12. 2. 7. 4. 12. 2. 7. 4. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of demagnetising metallic parts. removal of magnetic impurities. removing gases from materials. remagnetising metallic parts. demagnetising metallic parts. removal of magnetic impurities. removing gases from materials. remagnetising metallic parts. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of iron, aluminium. aluminium, nickel, iron and cobalt. aluminium, nickel. iron, cobalt, nickel. iron, aluminium. aluminium, nickel, iron and cobalt. aluminium, nickel. iron, cobalt, nickel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites are magnetic. ferrites have hig hysteresis. / >ferrites have high resistance. ferrites have low permeability. ferrites are magnetic. ferrites have hig hysteresis. / >ferrites have high resistance. ferrites have low permeability. ANSWER DOWNLOAD EXAMIANS APP
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