Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ? Slip. Line voltage. Rotor current. Running torque. Slip. Line voltage. Rotor current. Running torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the speed control of polyphase squirrel cage induction motor, if frequency of operation is decreased with constant supply voltage V, starting torque Tst decreases None of these either of these constant V, Tst increases constant supply voltage V, starting torque Tst decreases None of these either of these constant V, Tst increases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following pairs is/are correct? semi closed slot-----leakage flux is moderate open slot----- leakage flux is less All of these closed slot----- leakage flux is high semi closed slot-----leakage flux is moderate open slot----- leakage flux is less All of these closed slot----- leakage flux is high ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor electromagnetic power varies directly as applied voltage directly as square of applied voltage None of these inversely as applied voltage directly as applied voltage directly as square of applied voltage None of these inversely as applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, the frequency of a voltage at the secondary is greater than the primary. less than primary. any of the above. equal to primary. greater than the primary. less than primary. any of the above. equal to primary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Capacitor start. Split phase. Capacitor run. Shaded pole. Capacitor start. Split phase. Capacitor run. Shaded pole. ANSWER DOWNLOAD EXAMIANS APP
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