Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Porcelain. Glass. Mica. All of these. Porcelain. Glass. Mica. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Crystal growth. Friction and wear. High temperature. Low temperature. Crystal growth. Friction and wear. High temperature. Low temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? None of these Because of high melting point Because of covalent solid Because of large cohesive energy None of these Because of high melting point Because of covalent solid Because of large cohesive energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by being completely removed from an atom. jumping from one atom to another atom. jumping from one allowed orbit to another. moving faster or slower in an allowed orbit. being completely removed from an atom. jumping from one atom to another atom. jumping from one allowed orbit to another. moving faster or slower in an allowed orbit. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is a ferrite. non-magnetic. ferrimagnet. an anti-ferromagnet. a ferrite. non-magnetic. ferrimagnet. an anti-ferromagnet. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. the atomic magnetic moments are parallel. one of the constituent is iron. the atomic magnetic moments are antiparallel and unequal. the constituent is only iron. the atomic magnetic moments are parallel. one of the constituent is iron. ANSWER DOWNLOAD EXAMIANS APP