Engineering Materials in EE Temporary magnets are used in which of the following ? All of these. Motors. Hoist. Generators. All of these. Motors. Hoist. Generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of electrons and protons. protons and neutrons. protons. electrons. electrons and protons. protons and neutrons. protons. electrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 7. 2. 12. 4. 7. 2. 12. 4. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE All ions of an element have the same atomic number. number of electrons. both option A. and C. number of protons. atomic number. number of electrons. both option A. and C. number of protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of large cohesive energy None of these Because of covalent solid Because of high melting point Because of large cohesive energy None of these Because of covalent solid Because of high melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is pulsating. rotating. / >(A), (B), and (C) are all correct. alternating. pulsating. rotating. / >(A), (B), and (C) are all correct. alternating. ANSWER DOWNLOAD EXAMIANS APP
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