Electrical Machines No load saturation characteristics are plotted between short circuit current and field current short circuit current and armature current no load voltage and field current no load voltage and armature current short circuit current and field current short circuit current and armature current no load voltage and field current no load voltage and armature current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotor resistance speed control is used in slip ring induction motor. dc shunt motor. squirrel cage induction motor. synchronous motor. slip ring induction motor. dc shunt motor. squirrel cage induction motor. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous motor takes place when power factor is unity. when supply voltage fluctuates. motor is under loaded. when load varies. when power factor is unity. when supply voltage fluctuates. motor is under loaded. when load varies. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following DC Motor the ratio of starting torque to full load torque is minimum? Cumulative compound motor. Shunt motor. Series motor. Differential compound motor. Cumulative compound motor. Shunt motor. Series motor. Differential compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating magnetic field is produced in an induction motor because of either stator winding or rotor winding. stator winding. None of these rotor winding. either stator winding or rotor winding. stator winding. None of these rotor winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through commutator. solid connection. none of above. slip rings. commutator. solid connection. none of above. slip rings. ANSWER DOWNLOAD EXAMIANS APP
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