Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Magnesium silicate. Zinc sulphide. Calcium silicate. Zinc silicate. Magnesium silicate. Zinc sulphide. Calcium silicate. Zinc silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Low temperature. Crystal growth. Friction and wear. High temperature. Low temperature. Crystal growth. Friction and wear. High temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of electrons and protons. protons. electrons. protons and neutrons. electrons and protons. protons. electrons. protons and neutrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When will be the electron pair bonding occurs ? None of these Share holes Lack holes Share electrons None of these Share holes Lack holes Share electrons ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in motors. all of above. generators. loud speakers. motors. all of above. generators. loud speakers. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? 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 None of these ANSWER DOWNLOAD EXAMIANS APP
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