Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. Hoist. Generators. All of these. Motors. Hoist. Generators. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called dia-magnetic. semi-magnetic. ferro-magnectic. None of these dia-magnetic. semi-magnetic. ferro-magnectic. None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Magnesium silicate. Zinc silicate. Calcium silicate. Zinc sulphide. Magnesium silicate. Zinc silicate. Calcium silicate. Zinc sulphide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 4. 2. 12. 7. 4. 2. 12. 7. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Diamagnetic. Paramagnetic. Ferromagnetic. Soft iron. Diamagnetic. Paramagnetic. Ferromagnetic. Soft iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of copper is none of above. 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p none of above. 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p ANSWER DOWNLOAD EXAMIANS APP
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