Electrical Machines Induction motors provided with open slots have leading power factor. more breakdown torque. less breakdown torque. higher efficiency. leading power factor. more breakdown torque. less breakdown torque. higher efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 50 Hz three phase induction motor under full load condition is 725 rpm the number of poles of the motor are ______________. 8. 6. 4. 2. 8. 6. 4. 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A flat compound generator is obtained from compound generator by connecting a variable resistor in series with the shunt field in series with the series field in parallel with the shunt field in parallel with the series field in series with the shunt field in series with the series field in parallel with the shunt field in parallel with the series field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? either of these squirrel cage induction motor slip ring induction motor None of these either of these squirrel cage induction motor slip ring induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is suitable for frequent starting and stoppings? Capacitor start motor Resistance split phase motor All of these Capacitor start capacitor run motor Capacitor start motor Resistance split phase motor All of these Capacitor start capacitor run motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field of a dc shunt motor gets opened while the motor is running, then the motor will become slow. armature current will drop armature will oscillate about original speed as the mean speed motor will attain dangerously high speed motor will become slow. armature current will drop armature will oscillate about original speed as the mean speed motor will attain dangerously high speed ANSWER DOWNLOAD EXAMIANS APP