Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. copper. aluminium. pure iron. lead. copper. aluminium. pure iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as elastomers. ferroelectric materials. super die-electrics. hard die-electrics. elastomers. ferroelectric materials. super die-electrics. hard die-electrics. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Nickel : Cobalt. Water : Air. Permalloy : Super-alloy. Iron : Steel. Nickel : Cobalt. Water : Air. Permalloy : Super-alloy. Iron : Steel. 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. anti-ferromagnetic. paramagnetic. semi-magnetic. poly crystalline. anti-ferromagnetic. paramagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high retentivity. large B-H loop area. high resistivity. low hysteresis coefficient. high retentivity. large B-H loop area. high resistivity. low hysteresis coefficient. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? Atoms of different elements are quite different. An atom contains a dense central nucleus. Atoms can combine to form compounds. All matter is composed of atoms. Atoms of different elements are quite different. An atom contains a dense central nucleus. Atoms can combine to form compounds. All matter is composed of atoms. ANSWER DOWNLOAD EXAMIANS APP
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