Electrical Machines In DC generator, the electricity produced in armature is armature is not present in DC generator. None of these AC. DC. armature is not present in DC generator. None of these AC. DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a practical synchronous motor the pull out torque will occur when the torque angle is nearly equal to 45°. 75°. 0°. 30°. 45°. 75°. 0°. 30°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a cumulatively compound DC motor can be controlled by varying Any of above. Shunt field resistance control. Armature voltage control. Armature resistance control. Any of above. Shunt field resistance control. Armature voltage control. Armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalance 3 - Φ stator currents cause All of these vibrations. heating of rotor. double frequency currents in the rotor. All of these vibrations. heating of rotor. double frequency currents in the rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breather is provided in a transformer to absorb moisture of air during breathing. absorb moisture from air entering in transformer. filter the transformer oil. provide cold air in transformer. absorb moisture of air during breathing. absorb moisture from air entering in transformer. filter the transformer oil. provide cold air in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of 2. 1. 4. 8. 2. 1. 4. 8. ANSWER DOWNLOAD EXAMIANS APP
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