Electrical Machines The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is 50 Hz. 60 Hz. 25 Hz. 16.67 Hz. 50 Hz. 60 Hz. 25 Hz. 16.67 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 2 and 2 4 ang 1 2 and 1 4 and 2 2 and 2 4 ang 1 2 and 1 4 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low current rating which winding is employed to DC machine? None of above Wave winding Both lap and wave winding Lap winding None of above Wave winding Both lap and wave winding Lap winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which is the arrangement of windings in a core type single phase transformer? Lv on one core limb and hv on the other Sandwiched lv and hv discs on each core limb Half hv inside and half lv outside on each core limb Half lv inside and half hv outside on each core limb Lv on one core limb and hv on the other Sandwiched lv and hv discs on each core limb Half hv inside and half lv outside on each core limb Half lv inside and half hv outside on each core limb ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator, inverted V curve is drawn between field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and power factor on X-axis field current on Y-axis and armature current on X-axis field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and power factor on X-axis field current on Y-axis and armature current on X-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Hydro alternators. Aame in both alternators. None of these Turbo alternators. Hydro alternators. Aame in both alternators. None of these Turbo alternators. ANSWER DOWNLOAD EXAMIANS APP
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