Engineering Materials in EE Why diamond is very hard ? 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 None of these Because of high melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Mica. Glass. Porcelain. All of these. Mica. Glass. Porcelain. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called None of these dia-magnetic. semi-magnetic. ferro-magnectic. None of these dia-magnetic. semi-magnetic. ferro-magnectic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom explained the color lines in the hydrogen spectrum. had some made-up rules without explanations. All of these could not explain the line spectrum of atoms larger than hydrogen. explained the color lines in the hydrogen spectrum. had some made-up rules without explanations. All of these could not explain the line spectrum of atoms larger than hydrogen. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The atomic radius in case of face centered cubic lattice is a / 3. a. a / 2. a / 4. a / 3. a. a / 2. a / 4. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS