Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Remains constant at all loads Varies with power factor Varies with the load Varies with speed Remains constant at all loads Varies with power factor Varies with the load Varies with speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ None of the listed here High speed, low output High speed, high output Low speed, high output None of the listed here High speed, low output High speed, high output Low speed, high output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Field excitation Supply frequency None of the listed here Mechanical load Field excitation Supply frequency None of the listed here Mechanical load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor will always stop when Supply voltage fluctuates Supply voltage frequency changes Excitation winding gets disconnected Load in motor varies Supply voltage fluctuates Supply voltage frequency changes Excitation winding gets disconnected Load in motor varies ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Mechanical synchronizer Phase advancer Voltage booster Noise generator Mechanical synchronizer Phase advancer Voltage booster Noise generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 60° 45° 120° 90° 60° 45° 120° 90° ANSWER DOWNLOAD EXAMIANS APP
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