Electrical Machines In a DC machine current and emf in armature are alternating. current and emf in armature are unidirectional emf in armature conductors and at the terminals is alternating. current and emf at the terminals are alternating. current and emf in armature are alternating. current and emf in armature are unidirectional emf in armature conductors and at the terminals is alternating. current and emf at the terminals are alternating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator, inverted V curve is drawn between field current on Y-axis and power factor on X-axis field current on X-axis and power factor on Y-axis field current on X-axis and armature current on Y-axis field current on Y-axis and armature current on X-axis field current on Y-axis and power factor on X-axis field current on X-axis and power factor on Y-axis field current on X-axis and armature current on Y-axis field current on Y-axis and armature current on X-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In field flux method speed control of DC Motor is constant torque drive below the base speed. constant power drive above base speed. constant hp drive below the base speed. constant torque drive above the base speed. constant torque drive below the base speed. constant power drive above base speed. constant hp drive below the base speed. constant torque drive above the base speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Compensating winding will act under the pole. Inter pole winding will act in interpolar region. Both A and B. None of these Compensating winding will act under the pole. Inter pole winding will act in interpolar region. Both A and B. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: under trailing pole tip. pole core. under leading pole tip. under the interpole. under trailing pole tip. pole core. under leading pole tip. under the interpole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? None of above. Open slots. Semi closed slots. Closed slots. None of above. Open slots. Semi closed slots. Closed slots. ANSWER DOWNLOAD EXAMIANS APP