Synchronous Motors For reciprocating compressor, the synchronous motor is designed to have pull in torque of about ______ times the full load torque. 5 0.5 6 2 5 0.5 6 2 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Most of the synchronous motors are _______ power factor metors. 0.5 leading Unity 0.8 leading 0.8 lagging 0.5 leading Unity 0.8 leading 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ None of the listed here More than rated horseppwer output Less than rated horsepower output More than rated rotor current None of the listed here More than rated horseppwer output Less than rated horsepower output More than rated rotor current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ 45° (electrical) behind stator poles Coincident with statorbpoles None of the listed here Mid way between N and S poles of stator 45° (electrical) behind stator poles Coincident with statorbpoles None of the listed here Mid way between N and S poles of stator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor is used for Power factor corrections Variable speed loads Fluctuating loads Low torque loads Power factor corrections Variable speed loads Fluctuating loads Low torque loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with the load Remains constant at all loads Varies with speed Varies with power factor Varies with the load Remains constant at all loads Varies with speed Varies with power factor ANSWER DOWNLOAD EXAMIANS APP
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