Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is pure iron. copper. lead. aluminium. pure iron. copper. lead. aluminium. 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 poly crystalline. semi-magnetic. anti-ferromagnetic. paramagnetic. poly crystalline. semi-magnetic. anti-ferromagnetic. paramagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of protons and neutrons. electrons. protons. electrons and protons. protons and neutrons. electrons. protons. electrons and protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? All of these High magnetic permeability. Large hysteresis loop. High electrical resistivity. All of these High magnetic permeability. Large hysteresis loop. High electrical resistivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of 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. demagnetising metallic parts. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently soft iron. hardness steel. stainless steel. none of above. soft iron. hardness steel. stainless steel. none of above. ANSWER DOWNLOAD EXAMIANS APP
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