Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as an inductor. None of these. A capacitor. A resistor. an inductor. None of these. A capacitor. A resistor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the supply terminal of a DC shunt motor are interchanged The motor will run much faster in the same direction. The direction of rotation will reverse. The motor will stop. The motor will run at its normal speed in the same direction as before. The motor will run much faster in the same direction. The direction of rotation will reverse. The motor will stop. The motor will run at its normal speed in the same direction as before. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine current and emf in armature are unidirectional current and emf in armature are alternating. current and emf at the terminals are alternating. emf in armature conductors and at the terminals is alternating. current and emf in armature are unidirectional current and emf in armature are alternating. current and emf at the terminals are alternating. emf in armature conductors and at the terminals is alternating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. The highest speed of the alternators is 600 rpm. 500 rpm. 3000 rpm. 3600 rpm. 600 rpm. 500 rpm. 3000 rpm. 3600 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be sine wave. square wave. pulsed wave. triangular wave. sine wave. square wave. pulsed wave. triangular wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Secondary winding of an auto transformer is also called compensating winding. common winding. tertiary winding. damping winding. compensating winding. common winding. tertiary winding. damping winding. ANSWER DOWNLOAD EXAMIANS APP