Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 30° 10° 45° 60° 30° 10° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is 50 Hz 60 Hz 25 Hz 40 HZ 50 Hz 60 Hz 25 Hz 40 HZ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron losses in a DC machine are independent of variation in load. voltage. speed and voltage. speed. load. voltage. speed and voltage. speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a star - delta starting of an IM reduced voltage is applied to the stator. applied voltage per stator phase is 57.7 % of a line volt resistance is inserted in the rotor. line voltage is 57.7 % of stator voltage. reduced voltage is applied to the stator. applied voltage per stator phase is 57.7 % of a line volt resistance is inserted in the rotor. line voltage is 57.7 % of stator voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The fall in speed of the DC generator due to increase in load can be corrected by increasing the input to the prime mover. reducing the load voltage. increasing the excitation. cooling the armature. increasing the input to the prime mover. reducing the load voltage. increasing the excitation. cooling the armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Type of single phase motor having highest power factor at full load is split phase. shaded pole type. capacitor run. capacitor start. split phase. shaded pole type. capacitor run. capacitor start. ANSWER DOWNLOAD EXAMIANS APP
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