Engineering Materials in EE Temporary magnets are used in which of the following ? Hoist. All of these. Generators. Motors. Hoist. All of these. Generators. Motors. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is rotating. / >(A), (B), and (C) are all correct. pulsating. alternating. rotating. / >(A), (B), and (C) are all correct. pulsating. alternating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Permalloy : Super-alloy. Iron : Steel. Water : Air. Nickel : Cobalt. Permalloy : Super-alloy. Iron : Steel. Water : Air. Nickel : Cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related non linearly. sinusoidally. parabolically. linearly. non linearly. sinusoidally. parabolically. linearly. 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 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