Synchronous Motors A synchronous motor delivers reactive power when ______ Over excited Under excited Normally excited None of the listed here Over excited Under excited Normally excited None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Power factor corrections Low torque loads Fluctuating loads Variable speed loads Power factor corrections Low torque loads Fluctuating loads Variable speed loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then the stator current will be very small the stator current will be very high the back e.m.f. will be more than the supply voltage the stator current will be zero the stator current will be very small the stator current will be very high the back e.m.f. will be more than the supply voltage the stator current will be zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is maximum The armature current is minimum The armature current is zero None of the listed here The armature current is maximum The armature current is minimum The armature current is zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Rise in winding temperature Shorting of coils Eddy current flow Increased core losses Rise in winding temperature Shorting of coils Eddy current flow Increased core losses ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with large air gap has all of the listed here a higher value of stability limit a higher synchronizing power which makes the machine less sensitive to load variations a small value of inherent regulation all of the listed here a higher value of stability limit a higher synchronizing power which makes the machine less sensitive to load variations a small value of inherent regulation ANSWER DOWNLOAD EXAMIANS APP
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