Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is unity leading zero lagging unity leading zero lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms is connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 250 A. 340 A. 570 A. 460 A. 250 A. 340 A. 570 A. 460 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinson test is conducted under which of the following condition? full load any of the above half load no load full load any of the above half load no load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Silicon content in steel lamination is kept within 5% as it increases hysteresis loss. Increases cost. makes the material brittle. All of these increases hysteresis loss. Increases cost. makes the material brittle. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous reactance of an alternator represents field winding reactance a reactance operating at synchronous speed armature reactance and leakage reactance All of these field winding reactance a reactance operating at synchronous speed armature reactance and leakage reactance All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating part of DC motor is known as Starter. Armature. Pole. Carbone brush. Starter. Armature. Pole. Carbone brush. ANSWER DOWNLOAD EXAMIANS APP