Transformers For the parallel operation of single phase transformers it is necessary that they should have same number of turns on the secondary side. same polarity same kVA rating same efficiency same number of turns on the secondary side. same polarity same kVA rating same efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? All of these Overfluxing protection Buchholz relay Overcurrent protection All of these Overfluxing protection Buchholz relay Overcurrent protection ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 78 Ω 13 Ω 7.8 Ω 1.3 Ω 78 Ω 13 Ω 7.8 Ω 1.3 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. None of the listed here More than Less than The same as None of the listed here More than Less than The same as ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent resistance Copper losses Turn ratio Total equivalent leakage reactance Total equivalent resistance Copper losses Turn ratio Total equivalent leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Horn gaps Conservator Thermal overload relays Breather Horn gaps Conservator Thermal overload relays Breather ANSWER DOWNLOAD EXAMIANS APP
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