Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. All of these. Generators. Hoist. Motors. All of these. Generators. Hoist. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of demagnetising metallic parts. removal of magnetic impurities. remagnetising metallic parts. removing gases from materials. demagnetising metallic parts. removal of magnetic impurities. remagnetising metallic parts. removing gases from materials. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for none of above. ferromagnetic substances. non magnetic substances. diamagnetic substances. none of above. ferromagnetic substances. non magnetic substances. diamagnetic substances. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of silicon carbide. ferrites. silicon. iron. silicon carbide. ferrites. silicon. iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of covalent solid Because of large cohesive energy Because of high melting point None of these Because of covalent solid Because of large cohesive energy Because of high melting point None of these 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 high resistance. ferrites have hig hysteresis. ferrites have low permeability. ferrites are magnetic. / >ferrites have high resistance. ferrites have hig hysteresis. ferrites have low permeability. ANSWER DOWNLOAD EXAMIANS APP
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