Electrical Machines The rotor winding for a 3-phase slip-ring induction motor having delta-connected stator must be connected in delta or star according to need. delta. None of these star. delta or star according to need. delta. None of these star. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through induction process only. both A and B. conduction process only. None of these induction process only. both A and B. conduction process only. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor, the damper winding is generally used to reduce noise level only. reduce the eddy currents. prevent hunting and provide the starting torque. provide starting torque only. reduce noise level only. reduce the eddy currents. prevent hunting and provide the starting torque. provide starting torque only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At the instant of starting, the per unit slip of 3 - Φ induction motor is 0.1. 0.5. 0.05. 1.0. 0.1. 0.5. 0.05. 1.0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases keeping the terminal voltage constant, then flux will remain constant. increase. any of the above. decrease. remain constant. increase. any of the above. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breather is provided in a transformer to filter the transformer oil. provide cold air in transformer. absorb moisture from air entering in transformer. absorb moisture of air during breathing. filter the transformer oil. provide cold air in transformer. absorb moisture from air entering in transformer. absorb moisture of air during breathing. ANSWER DOWNLOAD EXAMIANS APP
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