Electrical Machines A large series motor is never started without some mechanical load on it because otherwise it will develop excessive speed and damage itself. draw too much current. open fuse or circuit breaker. produce sparking at brushes. develop excessive speed and damage itself. draw too much current. open fuse or circuit breaker. produce sparking at brushes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The three point starter is used for Shunt, compound and series motor. Shunt motor as well as compound motors. Series motor. Shunt motor. Shunt, compound and series motor. Shunt motor as well as compound motors. Series motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power indicated on the name plate of any motor is always the Gross power. Output power at the shaft. Power drawn in KVA. Power drawn in KW. Gross power. Output power at the shaft. Power drawn in KVA. Power drawn in KW. 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 350 V. 480 V. 400 V. 420 V. 350 V. 480 V. 400 V. 420 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant power control constant torque control constant current control constant voltage control constant power control constant torque control constant current control constant voltage control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is Zero Nr S.Ns Ns Zero Nr S.Ns Ns ANSWER DOWNLOAD EXAMIANS APP
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