Electrical Machines For a standard frequency the machine operates at a particular speed known as synchronous speed. normal speed. slip speed. any of the above. synchronous speed. normal speed. slip speed. any of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is the largest conversion device? DC machine Synchronous machine Induction machine All of these DC machine Synchronous machine Induction machine All of these 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 None of these constant V, Tst increases constant supply voltage V, starting torque Tst decreases either of these None of these constant V, Tst increases constant supply voltage V, starting torque Tst decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotor resistance speed control is used in slip ring induction motor. synchronous motor. squirrel cage induction motor. dc shunt motor. slip ring induction motor. synchronous motor. squirrel cage induction motor. dc shunt 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. 420 V. 350 V. 400 V. 480 V. 420 V. 350 V. ANSWER DOWNLOAD EXAMIANS APP
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