Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. All of these. Generators. Hoist. Motors. All of these. Generators. Hoist. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? 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 Because of covalent solid Because of high melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. 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 paramagnetic. anti-ferromagnetic. semi-magnetic. poly crystalline. paramagnetic. anti-ferromagnetic. semi-magnetic. poly crystalline. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid is independent of temperature. increases with increasing temperature. depends on method of heating. decreases with increasing temperature. is independent of temperature. increases with increasing temperature. depends on method of heating. decreases with increasing temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different numbers of electrons. numbers of neutrons. atomic number. numbers of protons. numbers of electrons. numbers of neutrons. atomic number. numbers of protons. ANSWER DOWNLOAD EXAMIANS APP
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