Synchronous Motors Most of the synchronous motors are _______ power factor metors. 0.8 leading 0.8 lagging 0.5 leading Unity 0.8 leading 0.8 lagging 0.5 leading Unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at only one speed because it ______ Is a doubly fed machine Has a damper winding Has no losses None of the listed here Is a doubly fed machine Has a damper winding Has no losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then it runs at a slower speed it runs at a very high speed it continues to run at the same speed the motor stops it runs at a slower speed it runs at a very high speed it continues to run at the same speed the motor stops ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except supply voltage maximum value of coupling angle direction of rotation rotor excitation supply voltage maximum value of coupling angle direction of rotation rotor excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ Low speed, high output High speed, high output High speed, low output None of the listed here Low speed, high output High speed, high output High speed, low output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is a ______ motor. None of the listed here Variable pf Variable speed Singly fed None of the listed here Variable pf Variable speed Singly fed ANSWER DOWNLOAD EXAMIANS APP
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