Electrical Machines Which of the following DC Motor requires 3 point starter? Shunt, compound and series motor. Series motor. Shunt motor. Shunt motor as well as compound motors. Shunt, compound and series motor. Series motor. Shunt motor. Shunt motor as well as compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? Low. Same as full load. Equal to 1. High. Low. Same as full load. Equal to 1. High. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The working principle of transformer depends on Faradays law of electromagnetic induction. Newtons law. Amperes law. Coulombs law. Faradays law of electromagnetic induction. Newtons law. Amperes law. Coulombs law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by increasing number of poles. increasing of frequency. decreasing of frequency. speed can not be increased. increasing number of poles. increasing of frequency. decreasing of frequency. speed can not be increased. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 1000. 2000. 500. 0. 1000. 2000. 500. 0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a resistance split phase motor, what is the range of torque angle? 90° 0° 25° to 30° 70° to 85° 90° 0° 25° to 30° 70° to 85° ANSWER DOWNLOAD EXAMIANS APP