Electrical Machines In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when the generator runs on full load. the generator runs on designed speed. the generator runs on overload. there is no load on the generator. the generator runs on full load. the generator runs on designed speed. the generator runs on overload. there is no load on the generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. increase be unpredictable. decrease. remain the same. increase be unpredictable. decrease. remain the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Secondary winding of an auto transformer is also called common winding. compensating winding. tertiary winding. damping winding. common winding. compensating winding. tertiary winding. damping winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage and frequency supply voltage and load supply voltage, frequency and load supply voltage supply voltage and frequency supply voltage and load supply voltage, frequency and load supply voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 1450W 2000W 1920W 1820W 1450W 2000W 1920W 1820W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The residual magnetism of a self-excited dc generator is lost. To build up its emf again the field winding connection must be reversed the field winding must be replaced field winding must be excited by low voltage dc supply the armature connection must be reversed the field winding connection must be reversed the field winding must be replaced field winding must be excited by low voltage dc supply the armature connection must be reversed ANSWER DOWNLOAD EXAMIANS APP