Electrical Machines Which motor cannot be started on no load? both B and C shunt motors cumulative compound motors series motors both B and C shunt motors cumulative compound motors series motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as f² V f V² f² V f V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators brushes are used for collecting of voltage collecting of current without any sparkings reduce eddy current loss convert ac armature current in to dc collecting of voltage collecting of current without any sparkings reduce eddy current loss convert ac armature current in to dc ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 10° 30° 45° 60° 10° 30° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An inverted V curve of synchronous motor shows variation of power factor and supply voltage during hunting. supply voltage and field current at constant excitation. supply voltage and excitation current at constant load. power factor and DC excitation at constant load. power factor and supply voltage during hunting. supply voltage and field current at constant excitation. supply voltage and excitation current at constant load. power factor and DC excitation at constant load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/V ratio of a DC motor is an indication of Speed regulation. Running Torque. Effiency. Starting torque. Speed regulation. Running Torque. Effiency. Starting torque. ANSWER DOWNLOAD EXAMIANS APP