Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed synchronous motor has large air gap mechanical load on the motor can be adjusted stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed synchronous motor has large air gap mechanical load on the motor can be adjusted ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will refused ro start Will overheat in spots Will fail to pull into step Will not come upto speed Will refused ro start Will overheat in spots Will fail to pull into step Will not come upto speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Small synchronous motors are started by _______ Pony motor Damper winding Variable frequency source None of the listed here Pony motor Damper winding Variable frequency source None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is supplied with unbalanced voltage over-loaded None of these under-loaded supplied with unbalanced voltage over-loaded None of these under-loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are unity or 0.8 leading unity or 0.8 lagging zero or 0.8 leading unity or zero unity or 0.8 leading unity or 0.8 lagging zero or 0.8 leading unity or zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always 0.5% Zero 1% Positive 0.5% Zero 1% Positive ANSWER DOWNLOAD EXAMIANS APP
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