Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. copper. pure iron. aluminium. lead. copper. pure iron. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of silicon. iron. silicon carbide. ferrites. silicon. iron. silicon carbide. ferrites. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? None of these Because of high melting point Because of large cohesive energy Because of covalent solid None of these Because of high melting point Because of large cohesive energy Because of covalent solid ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Mica. All of these. Glass. Porcelain. Mica. All of these. Glass. Porcelain. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When the atomic magnetic moments are randomly oriented in a solid its magnetic behavior is termed as semi-magnetic. poly crystalline. paramagnetic. anti-ferromagnetic. semi-magnetic. poly crystalline. paramagnetic. anti-ferromagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for ferromagnetic substances. none of above. diamagnetic substances. non magnetic substances. ferromagnetic substances. none of above. diamagnetic substances. non magnetic substances. ANSWER DOWNLOAD EXAMIANS APP
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