Engineering Materials in EE Why diamond is very hard ? 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 Because of high melting point None of these 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. Cobalt, nickel, aluminium, iron. Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Cobalt, nickel, aluminium, iron. Permalloy, nickel, air, water. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when none of above. dipoles are repel other. both are correct. dipoles are attract each other. none of above. dipoles are repel other. both are correct. dipoles are attract each other. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as diamagnetic. paramagnetic. ferromagnetic. bipolar. diamagnetic. paramagnetic. ferromagnetic. bipolar. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from silicon-iron. ferric-oxide. small particles of iron. iron-dust. silicon-iron. ferric-oxide. small particles of iron. iron-dust. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Hoist. Generators. Motors. All of these. Hoist. Generators. Motors. All of these. ANSWER DOWNLOAD EXAMIANS APP
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