Electrical Machines In a synchronous motor, damper windings are provided on pole faces. None of these rotor shaft. stator frame. pole faces. None of these rotor shaft. stator frame. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Larger values of air flux density is taken while designing IM for larger output. both. none. larger bore diameter. larger output. both. none. larger bore diameter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Capacitor run type. Capacitor start. Shaded pole type. Split phase type. Capacitor run type. Capacitor start. Shaded pole type. Split phase type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A slip ring Induction motor runs at 290 rpm at full load, when connected to 50 Hz supply. Determine the number of poles and slip. P = 50, s = 4.43 %. P = 40, s = 5.79 %. P = 60, s = 0.96 %. P = 20, s = 3.33 %. P = 50, s = 4.43 %. P = 40, s = 5.79 %. P = 60, s = 0.96 %. P = 20, s = 3.33 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is self starting? Poly-phase induction motor. None of these. Poly-phase synchronous machine. Single phase induction motor. Poly-phase induction motor. None of these. Poly-phase synchronous machine. Single phase induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Example of double excited machine is None of these DC Shunt Motor Synchronous motor. Both are correct. None of these DC Shunt Motor Synchronous motor. Both are correct. ANSWER DOWNLOAD EXAMIANS APP