Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Magnetization Demagnetization None of these Cross magnetization Magnetization Demagnetization None of these Cross magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound 4 pole dc motor has 460 conductors. Find the number of parallel paths between the conductors? 4. data provided is insufficient. 2. 6. 4. data provided is insufficient. 2. 6. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines _____________ types of induction motor are widely used. Slip ring IM. Three phase IM. Squirrel cage IM. Single phase IM. Slip ring IM. Three phase IM. Squirrel cage IM. Single phase IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is increased, the power factor is unity power factor None of these lagging power factor leading power factor unity power factor None of these lagging power factor leading power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally Low. 1000 ohms. around 500 ohms. Infinitely large. Low. 1000 ohms. around 500 ohms. Infinitely large. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by decreasing of frequency. speed can not be increased. increasing number of poles. increasing of frequency. decreasing of frequency. speed can not be increased. increasing number of poles. increasing of frequency. ANSWER DOWNLOAD EXAMIANS APP
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