Engineering Materials in EE Indicate which of following material does not retain magnetism permanently none of above. soft iron. hardness steel. stainless steel. none of above. soft iron. hardness steel. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have large B-H loop area. high resistivity. low hysteresis coefficient. high retentivity. large B-H loop area. high resistivity. low hysteresis coefficient. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of iron, cobalt, nickel. aluminium, nickel. aluminium, nickel, iron and cobalt. iron, aluminium. iron, cobalt, nickel. aluminium, nickel. aluminium, nickel, iron and cobalt. iron, aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. aluminium. copper. pure iron. lead. aluminium. copper. pure iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? None of these Because of large cohesive energy Because of covalent solid Because of high melting point None of these Because of large cohesive energy Because of covalent solid Because of high melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different numbers of neutrons. numbers of protons. numbers of electrons. atomic number. numbers of neutrons. numbers of protons. numbers of electrons. atomic number. ANSWER DOWNLOAD EXAMIANS APP
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