Engineering Materials in EE Why diamond is very hard ? None of these Because of large cohesive energy Because of high melting point Because of covalent solid None of these Because of large cohesive energy Because of high melting point Because of covalent solid ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE All ions of an element have the same number of electrons. both option A. and C. number of protons. atomic number. number of electrons. both option A. and C. number of protons. atomic number. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetic expansion. magnetic hysteresis. magnetostriction. magneto-calorisation. magnetic expansion. magnetic hysteresis. magnetostriction. magneto-calorisation. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites have hig hysteresis. / >ferrites have high resistance. ferrites have low permeability. ferrites are magnetic. ferrites have hig hysteresis. / >ferrites have high resistance. ferrites have low permeability. ferrites are magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Permalloy : Super-alloy. Water : Air. Iron : Steel. Nickel : Cobalt. Permalloy : Super-alloy. Water : Air. Iron : Steel. Nickel : Cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? An atom contains a dense central nucleus. Atoms can combine to form compounds. Atoms of different elements are quite different. All matter is composed of atoms. An atom contains a dense central nucleus. Atoms can combine to form compounds. Atoms of different elements are quite different. All matter is composed of atoms. ANSWER DOWNLOAD EXAMIANS APP