Transformers The all day efficiency of a transformer is ______ the commercial efficiency. Less than None of the listed here More than The same as Less than None of the listed here More than The same as ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at full load at 50% full load at no load at 80% full load at full load at 50% full load at no load at 80% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for Adjustments in secondary voltage Adjustment in primary voltage None of the listed here Adjustment in both primary and secondary Adjustments in secondary voltage Adjustment in primary voltage None of the listed here Adjustment in both primary and secondary ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Cause voltage drop in the windings Decreases copper losses Increase copper losses None of the listed here Cause voltage drop in the windings Decreases copper losses Increase copper losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the resistance between its primary and secondary is 1 ohm 1000 ohms Zero Infinite 1 ohm 1000 ohms Zero Infinite ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. Increase the wight Reduce core loss None of the listed here Provide tight magnetic coupling Increase the wight Reduce core loss None of the listed here Provide tight magnetic coupling ANSWER DOWNLOAD EXAMIANS APP
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