Electrical Machines Which of the following motors is/are widely used? slip ring induction motor None of these squirrel cage induction motor either of these slip ring induction motor None of these squirrel cage induction motor either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor electromagnetic power varies directly as square of applied voltage None of these directly as applied voltage inversely as applied voltage directly as square of applied voltage None of these directly as applied voltage inversely as applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reactive power generated or delivered significantly depends on frequency. both 1 and 2. excitation. load angle. frequency. both 1 and 2. excitation. load angle. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator the voltage generated per phase is proportional to flux per pole. frequency of waveform. number of turns in coil. All of these flux per pole. frequency of waveform. number of turns in coil. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A smaller air gap in a polyphase induction motor helps to reduce the chance of cogging. reduce the chance of crawling. increase the starting torque. reduce the magnetizing current. reduce the chance of cogging. reduce the chance of crawling. increase the starting torque. reduce the magnetizing current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 14 HP. 10 HP. 15 HP. 13 HP. 14 HP. 10 HP. 15 HP. 13 HP. ANSWER DOWNLOAD EXAMIANS APP