Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Glass. All of these. Mica. Porcelain. Glass. All of these. Mica. Porcelain. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? 1. none of these. 0. Less than 1 1. none of these. 0. Less than 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is aluminium. lead. copper. pure iron. aluminium. lead. copper. pure iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called dia-magnetic. semi-magnetic. ferro-magnectic. None of these dia-magnetic. semi-magnetic. ferro-magnectic. None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The number of rings in the Bohr model of any element is determined by what? Column number on periodic table. Atomic number. Atomic mass. Row number on periodic table. Column number on periodic table. Atomic number. Atomic mass. Row number on periodic table. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS