Electrical Machines The no load current in a transformer lags the applied voltage by 0°. about 75°. 90°. about 115°. 0°. about 75°. 90°. about 115°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a star - delta starting of an IM line voltage is 57.7 % of stator voltage. applied voltage per stator phase is 57.7 % of a line volt resistance is inserted in the rotor. reduced voltage is applied to the stator. line voltage is 57.7 % of stator voltage. applied voltage per stator phase is 57.7 % of a line volt resistance is inserted in the rotor. reduced voltage is applied to the stator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects torque but not the voltage both the torque and voltage neither the voltage nor the torque voltage but not the torque torque but not the voltage both the torque and voltage neither the voltage nor the torque voltage but not the torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Hydro alternators. None of these Aame in both alternators. Turbo alternators. Hydro alternators. None of these Aame in both alternators. Turbo alternators. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature MMF waveform of a DC machine is pulsating. sinusoidal. rectangular. triangular. pulsating. sinusoidal. rectangular. triangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would remain unchanged be less than 10% be 12.5% be more than 10% remain unchanged be less than 10% be 12.5% be more than 10% ANSWER DOWNLOAD EXAMIANS APP
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