Electrical Machines Which machine is used for battery charging? Compounded DC generator. None of these. DC series generator. DC shunt generator. Compounded DC generator. None of these. DC series generator. DC shunt generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be parallel. any one of the connection. no resistance is connected. series. parallel. any one of the connection. no resistance is connected. series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An ideal synchronous motor has no starting torque because rotor is made up of salient poles. rotor winding is highly reactive. relative velocity between the stator and rotor mmf’s is zero. relative velocity between stator and rotor mmf’s is not zero. rotor is made up of salient poles. rotor winding is highly reactive. relative velocity between the stator and rotor mmf’s is zero. relative velocity between stator and rotor mmf’s is not zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 2.5Hz 2HZ 50Hz 1 Hz 2.5Hz 2HZ 50Hz 1 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer core is laminated to reduce hysteresis loss. copper loss. eddy current loss. both 1 and 2. hysteresis loss. copper loss. eddy current loss. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator on no-load, the air gap flux distribution in space is triangular. flat topped. sinusoidal. pulsating. triangular. flat topped. sinusoidal. pulsating. ANSWER DOWNLOAD EXAMIANS APP