Transformers The main reason for generation of harmonics in a transformer could be mechanical vibrations saturation of core fluctuating load poor insulation mechanical vibrations saturation of core fluctuating load poor insulation ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Current transformer Power transformer Voltage transformer Auto transformer Current transformer Power transformer Voltage transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Volt amperes Amperes Kilowatt Volts Volt amperes Amperes Kilowatt Volts ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. None of the listed here Reduce core loss Provide tight magnetic coupling Increase the wight None of the listed here Reduce core loss Provide tight magnetic coupling Increase the wight ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are friction and windage losses copper losses magnetic losses hysteresis and eddy current losses friction and windage losses copper losses magnetic losses hysteresis and eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine copper losses core losses eddy current losses hysteresis losses copper losses core losses eddy current losses hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
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