Electrical Machines In alternator, the rotary part is armature. core. magnetic field poles. none of these. armature. core. magnetic field poles. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor winding for a 3-phase slip-ring induction motor having delta-connected stator must be connected in star. delta or star according to need. None of these delta. star. delta or star according to need. None of these delta. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is expensive for same Kw output rates? DC Shunt Motor AC single phase motor. Synchronous motor. Induction motor. DC Shunt Motor AC single phase motor. Synchronous motor. Induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous motor takes place motor is under loaded. when load varies. when supply voltage fluctuates. when power factor is unity. motor is under loaded. when load varies. when supply voltage fluctuates. when power factor is unity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature coil is short circuited by brushes when it lies in any of above positions. in none of above positions. along field axis. along neutral axis. in any of above positions. in none of above positions. along field axis. along neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC motor is laminated to reduce the mass. to reduce the hysteresis loss. to reduce the eddy current loss. to reduce the inductor. to reduce the mass. to reduce the hysteresis loss. to reduce the eddy current loss. to reduce the inductor. ANSWER DOWNLOAD EXAMIANS APP