Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is pure iron. copper. aluminium. lead. pure iron. copper. aluminium. lead. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as curie temperature. inversion temperature. conversion temperature. critical temperature. curie temperature. inversion temperature. conversion temperature. critical temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Ceramics. Glass. Paper. Oil. Ceramics. Glass. Paper. Oil. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is ferrimagnet. an anti-ferromagnet. a ferrite. non-magnetic. ferrimagnet. an anti-ferromagnet. a ferrite. non-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 100. 1 to 2. 3 to 8. 200. 100. 1 to 2. 3 to 8. 200. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by increasing carbon percentage. purifying it. reducing carbon percentage. alloying with cobalt. increasing carbon percentage. purifying it. reducing carbon percentage. alloying with cobalt. ANSWER DOWNLOAD EXAMIANS APP
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