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 When the atomic magnetic moments are randomly oriented in a solid its magnetic behavior is termed as semi-magnetic. paramagnetic. anti-ferromagnetic. poly crystalline. semi-magnetic. paramagnetic. anti-ferromagnetic. poly crystalline. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as super die-electrics. ferroelectric materials. hard die-electrics. elastomers. super die-electrics. ferroelectric materials. hard die-electrics. elastomers. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetic expansion. magneto-calorisation. magnetostriction. magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. magnetic hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for none of above. non magnetic substances. ferromagnetic substances. diamagnetic substances. none of above. non magnetic substances. ferromagnetic substances. diamagnetic substances. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of high melting point Because of covalent solid None of these Because of large cohesive energy Because of high melting point Because of covalent solid None of these Because of large cohesive energy ANSWER DOWNLOAD EXAMIANS APP
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