Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 18° 30° 36° 72° 18° 30° 36° 72° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of less maintenance. less cost. simple in construction. all of below. less maintenance. less cost. simple in construction. all of below. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The magnetic field which initially induces emf in the armature in a self excited DC generator is because of residual magnetism. permanent magnets. armature reaction. None of these residual magnetism. permanent magnets. armature reaction. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is near to 1. 0.25. Greater than 1. 0.5. near to 1. 0.25. Greater than 1. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type series generator. shunt generator. short - shunt generator. level compound. series generator. shunt generator. short - shunt generator. level compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is armature. magnetic field poles. core. none of these. armature. magnetic field poles. core. none of these. ANSWER DOWNLOAD EXAMIANS APP
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