Engineering Materials in EE Which of the following is the example for piezo-electric material ? Potassium niobate Lead zirconate titanate None of these Copper Potassium niobate Lead zirconate titanate None of these Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Crystal growth. Friction and wear. High temperature. Low temperature. Crystal growth. Friction and wear. High temperature. Low temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Generators. Hoist. All of these. Motors. Generators. Hoist. All of these. Motors. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The atomic radius in case of face centered cubic lattice is a / 2. a. a / 4. a / 3. a / 2. a. a / 4. a / 3. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites have hig hysteresis. ferrites have low permeability. / >ferrites have high resistance. ferrites are magnetic. ferrites have hig hysteresis. ferrites have low permeability. / >ferrites have high resistance. ferrites are magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εoεr. εo / εr. None of these εr / εo. εoεr. εo / εr. None of these εr / εo. ANSWER DOWNLOAD EXAMIANS APP
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