Electrical Machines In Ward-Leonard method of speed control, the direction of rotation of motor is reversed usually reversing the connection of the motor field terminal. generator armature terminal. generator field terminal. motor armature terminal. motor field terminal. generator armature terminal. generator field terminal. motor armature terminal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To have sparkless commutation, the armature reaction effect in a DC machine is neutralized by fixing the brush axis inline with the pole axis. compensating winding and commutating poles. shifting the brush axis from GNA to MNA. increasing field excitation. fixing the brush axis inline with the pole axis. compensating winding and commutating poles. shifting the brush axis from GNA to MNA. increasing field excitation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Methods of synchronizing of alternator may be done by one dark two bright. all dark lamp method. all bright lamp method. all of these. one dark two bright. all dark lamp method. all bright lamp method. all of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Shaded pole type. Split phase type. Capacitor run type. Capacitor start. Shaded pole type. Split phase type. Capacitor run type. Capacitor start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 230 V 460 V 115 V 200 V 230 V 460 V 115 V 200 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage, frequency and load supply voltage and frequency supply voltage and load supply voltage supply voltage, frequency and load supply voltage and frequency supply voltage and load supply voltage ANSWER DOWNLOAD EXAMIANS APP
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