Electrical Machines Iron losses in a DC machine are independent of variation in voltage. speed. load. speed and voltage. voltage. speed. load. speed and voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is 0.25. 0.5. near to 1. Greater than 1. 0.25. 0.5. near to 1. Greater than 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is DC. both of above. AC. None of these DC. both of above. AC. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. decrease. be unpredictable. remain the same. increase decrease. be unpredictable. remain the same. increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to All of these reduce hunting improve the power factor improve starting torque All of these reduce hunting improve the power factor improve starting torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shapers and slotters which motor are preferred? Synchronous motor. Double cage motor. Slip ring IM. Squirrel cage IM. Synchronous motor. Double cage motor. Slip ring IM. Squirrel cage IM. ANSWER DOWNLOAD EXAMIANS APP
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