Engineering Materials in EE Temporary magnets are used in which of the following ? Hoist. All of these. Generators. Motors. Hoist. All of these. Generators. Motors. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of sulfur atom is none of these. 2, 8, 6. 2, 8, 2. 1s2 , 2s2 2p6, 3s2 3p6. none of these. 2, 8, 6. 2, 8, 2. 1s2 , 2s2 2p6, 3s2 3p6. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. jumping from one atom to another atom. being completely removed from an atom. moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. jumping from one atom to another atom. being completely removed from an atom. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of protons and neutrons. protons. electrons. electrons and protons. protons and neutrons. protons. electrons. electrons and protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many classes of insulating materials are there? 7. 8. 6. 5. 7. 8. 6. 5. ANSWER DOWNLOAD EXAMIANS APP