Electrical Machines Flashing the field of DC generator means making the magnetic losses forces parallel. neutralising residual magnetism. increasing flux density by adding extra turns of winding. creating residual magnetism by a DC source. making the magnetic losses forces parallel. neutralising residual magnetism. increasing flux density by adding extra turns of winding. creating residual magnetism by a DC source. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a three phase induction motor has an impedance of 0.4 + j4 ohm per phase at standstill the maximum torque occurs at a slip of _____________. 50 %. 10 %. 25 %. 15 %. 50 %. 10 %. 25 %. 15 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 0.9103 KW. 1.644 KW. 5.46 KW. 2.73 KW. 0.9103 KW. 1.644 KW. 5.46 KW. 2.73 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator, inverted V curve is drawn between 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 X-axis and armature current on Y-axis field current on Y-axis and armature current on X-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 X-axis and armature current on Y-axis field current on Y-axis and armature current on X-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of commutator segments. number of parallel paths. number of pole pairs. number of poles. number of commutator segments. number of parallel paths. number of pole pairs. number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a resistance split phase motor, what is the range of torque angle? 25° to 30° 90° 0° 70° to 85° 25° to 30° 90° 0° 70° to 85° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS