Electrical Machines For a standard frequency the machine operates at a particular speed known as slip speed. normal speed. synchronous speed. any of the above. slip speed. normal speed. synchronous speed. any of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is the largest conversion device? Induction machine DC machine All of these Synchronous machine Induction machine DC machine All of these Synchronous machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the speed control of polyphase squirrel cage induction motor, if frequency of operation is decreased with 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 constant supply voltage V, starting torque Tst decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotor resistance speed control is used in dc shunt motor. slip ring induction motor. synchronous motor. squirrel cage induction motor. dc shunt motor. slip ring induction motor. synchronous motor. squirrel cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For satisfactory performance of 3-phase 480V, 60 Hz induction motor, the supply voltage at 50 Hz should be equal to 400 V. 480 V. 350 V. 420 V. 400 V. 480 V. 350 V. 420 V. ANSWER DOWNLOAD EXAMIANS APP
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