Engineering Materials in EE Why diamond is very hard ? 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 None of these Because of large cohesive energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Potassium niobate None of these Lead zirconate titanate Copper Potassium niobate None of these Lead zirconate titanate Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on area of hysteresis loop for the material. frequency of applied voltage. intensity of electric field. presence of magnetic materials in the vicinity. area of hysteresis loop for the material. frequency of applied voltage. intensity of electric field. presence of magnetic materials in the vicinity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as elastomers. super die-electrics. hard die-electrics. ferroelectric materials. elastomers. super die-electrics. hard die-electrics. ferroelectric materials. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently stainless steel. soft iron. hardness steel. none of above. stainless steel. soft iron. hardness steel. none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Paramagnetic. Diamagnetic. Soft iron. Ferromagnetic. Paramagnetic. Diamagnetic. Soft iron. Ferromagnetic. ANSWER DOWNLOAD EXAMIANS APP
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