Electrical Machines In a dc machine, the demagnetizing effect of armature reaction is due to magnetic saturation in half of the field pole non-sinusoidal nature of armature mmf component of armature mmf along field axis uneven air-gap length magnetic saturation in half of the field pole non-sinusoidal nature of armature mmf component of armature mmf along field axis uneven air-gap length ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. salient. none of these. cylindrical. non uniform cylindrical. salient. none of these. cylindrical. non uniform cylindrical. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC generators are usually designed to develop armature voltages not exceeding 650 V because of the limitations imposed by field winding commutator armature winding starters field winding commutator armature winding starters ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor uses 4-point starter? DC series motor. DC compound motor. DC shunt motor with field weaking control. DC shunt motor with armature resistance. DC series motor. DC compound motor. DC shunt motor with field weaking control. DC shunt motor with armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the rotating losses of machine? All of the them Hysteresis losses Friction and windage losses Eddy current losses All of the them Hysteresis losses Friction and windage losses Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed regulation of a DC motor is given as NnL/NfL. (NnL − NfL)/NfL. (NfL − NnL)/NnL. NnL − NfL. NnL/NfL. (NnL − NfL)/NfL. (NfL − NnL)/NnL. NnL − NfL. ANSWER DOWNLOAD EXAMIANS APP
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