Electrical Machines In which of the following motors DC excitation is not required? 3-phase synchronous motor hysteresis motor 3-phase synchronous generator reluctance motor 3-phase synchronous motor hysteresis motor 3-phase synchronous generator reluctance motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. shunt field armature circuit none of above both A and B shunt field armature circuit none of above both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard system for controlling the speed of a DC motor is used where All of above. The speed in both the direction is required. The accuracy in speed control is required. Very fine speed control over the whole range from zero to normal speed is required. All of above. The speed in both the direction is required. The accuracy in speed control is required. Very fine speed control over the whole range from zero to normal speed is required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in voltage transformer. current transformer. earthing transformer. power transformer. voltage transformer. current transformer. earthing transformer. power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine, the armature windings are placed on the rotor because of necessity for development of torque. commutation. generation of voltage. electromechanical energy conversion. development of torque. commutation. generation of voltage. electromechanical energy conversion. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Eddy current loss Copper loss Magnetic loss Hysteresis loss Eddy current loss Copper loss Magnetic loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
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