Electrical Machines If the field of a dc shunt motor gets opened while the motor is running, then the motor will become slow. motor will attain dangerously high speed armature will oscillate about original speed as the mean speed armature current will drop motor will become slow. motor will attain dangerously high speed armature will oscillate about original speed as the mean speed armature current will drop ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will increase None of these decrease not changed increase None of these decrease not changed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Centrifugal switch is absent in which of the single phase induction motor? None of these Split phase motor. PSC (permanent split capacitor) motor. Shaded pole motor. None of these Split phase motor. PSC (permanent split capacitor) motor. Shaded pole motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same phase sequence same voltage magnitude same prime mover speed same frequency same phase sequence same voltage magnitude same prime mover speed same frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has low ratings only? Capacitor run Shaded pole Resistance split phase Capacitor start Capacitor run Shaded pole Resistance split phase Capacitor start ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which single phase motor is used for a refrigerator? Split phase. Capacitor run. Universal. Repulsion. Split phase. Capacitor run. Universal. Repulsion. ANSWER DOWNLOAD EXAMIANS APP
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