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 The atomic radius in case of face centered cubic lattice is a / 4. a. a / 3. a / 2. a / 4. a. a / 3. a / 2. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of high melting point None of these Because of covalent solid Because of large cohesive energy Because of high melting point None of these Because of covalent solid Because of large cohesive energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid increases with increasing temperature. decreases with increasing temperature. is independent of temperature. depends on method of heating. increases with increasing temperature. decreases with increasing temperature. is independent of temperature. depends on method of heating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on frequency of applied voltage. presence of magnetic materials in the vicinity. intensity of electric field. area of hysteresis loop for the material. frequency of applied voltage. presence of magnetic materials in the vicinity. intensity of electric field. area of hysteresis loop for the material. 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
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