Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ High speed, low output Low speed, high output None of the listed here High speed, high output High speed, low output Low speed, high output None of the listed here High speed, high output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is less twice equal more less twice equal more ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with low value of short-circuit ratio has good voltage regulation lower stability limit high stability limit good speed regulation good voltage regulation lower stability limit high stability limit good speed regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ No load Full load Half full load None of the listed here No load Full load Half full load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as pull-up torque pull-in torque None of these pull-out torque pull-up torque pull-in torque None of these pull-out torque ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor is pulled out of synchronism, the stator current _______ Becomes zero Is increased too much Is decreased too much Remains unchanged Becomes zero Is increased too much Is decreased too much Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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