Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc silicate. Zinc sulphide. Calcium silicate. Magnesium silicate. Zinc silicate. Zinc sulphide. Calcium silicate. Magnesium silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Almost the entire mass of an atom is concentrated in the neutrons. protons. nucleus. electrons. neutrons. protons. nucleus. electrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from ferric-oxide. iron-dust. silicon-iron. small particles of iron. ferric-oxide. iron-dust. silicon-iron. small particles of iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. All of these. Generators. Hoist. Motors. All of these. Generators. Hoist. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is non-magnetic. a ferrite. an anti-ferromagnet. ferrimagnet. non-magnetic. a ferrite. an anti-ferromagnet. ferrimagnet. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Diamagnetic. Ferromagnetic. Soft iron. Paramagnetic. Diamagnetic. Ferromagnetic. Soft iron. Paramagnetic. ANSWER DOWNLOAD EXAMIANS APP
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