Electrical Machines Eb/V ratio of a DC motor is an indication of Starting torque. Speed regulation. Effiency. Running Torque. Starting torque. Speed regulation. Effiency. Running Torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is self starting? Poly-phase induction motor. None of these. Single phase induction motor. Poly-phase synchronous machine. Poly-phase induction motor. None of these. Single phase induction motor. Poly-phase synchronous machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production None of these dynamically induced emf. both A and B. static induced emf. None of these dynamically induced emf. both A and B. static induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Centrifugal switch is absent in which of the single phase induction motor? None of these PSC (permanent split capacitor) motor. Shaded pole motor. Split phase motor. None of these PSC (permanent split capacitor) motor. Shaded pole motor. Split phase motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A simple method of increasing the voltage of a DC generator is to increase the number of turns in field coil. increase the source frequency. increase the number of turns in armature coil. increase the speed of shaft rotation. increase the number of turns in field coil. increase the source frequency. increase the number of turns in armature coil. increase the speed of shaft rotation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW? 50 Hz 45 HZ 48 Hz 48.5 Hz 50 Hz 45 HZ 48 Hz 48.5 Hz ANSWER DOWNLOAD EXAMIANS APP
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