Engineering Materials in EE Why diamond is very hard ? None of these Because of high melting point Because of large cohesive energy Because of covalent solid None of these Because of high melting point Because of large cohesive energy Because of covalent solid ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by reducing carbon percentage. increasing carbon percentage. alloying with cobalt. purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. purifying it. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc silicate. Calcium silicate. Zinc sulphide. Magnesium silicate. Zinc silicate. Calcium silicate. Zinc sulphide. Magnesium silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when dipoles are repel other. dipoles are attract each other. none of above. both are correct. dipoles are repel other. dipoles are attract each other. none of above. both are correct. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. Generators. Hoist. All of these. Motors. Generators. Hoist. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εoεr. εo / εr. εr / εo. None of these εoεr. εo / εr. εr / εo. None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS