Synchronous Motors Slip rings in a synchronous motor carry No current Direct current Alternating current All of the listed here No current Direct current Alternating current All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on Flux density Rotor speed None of the listed here Rotor excitation Flux density Rotor speed None of the listed here Rotor excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ Maximum None of the listed here minimum Zero Maximum None of the listed here minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor will always stop when Excitation winding gets disconnected Supply voltage frequency changes Load in motor varies Supply voltage fluctuates Excitation winding gets disconnected Supply voltage frequency changes Load in motor varies Supply voltage fluctuates ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will not come upto speed Will overheat in spots Will fail to pull into step Will refused ro start Will not come upto speed Will overheat in spots Will fail to pull into step Will refused ro start ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are zero or 0.8 leading unity or 0.8 lagging unity or zero unity or 0.8 leading zero or 0.8 leading unity or 0.8 lagging unity or zero unity or 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
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