Transformers Which of the following protection is normally not provided on small distribution transformers? Buchholz relay Overfluxing protection Overcurrent protection All of these Buchholz relay Overfluxing protection Overcurrent protection All of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ None of the listed here Natural air cooled Oil cooled Water cooled None of the listed here Natural air cooled Oil cooled Water cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has reduced magnetic leakage None of these high eddy current losses negligibly hysteresis losses reduced magnetic leakage None of these high eddy current losses negligibly hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ Inversely proportional to primary voltage Inversely proportional to supply frequency Directly proportional to supply frequency None of the listed here Inversely proportional to primary voltage Inversely proportional to supply frequency Directly proportional to supply frequency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its temperature rise copper loss dielectric strength of oil voltage ratio temperature rise copper loss dielectric strength of oil voltage ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 88 V 7.3 V 73 V 880 V 88 V 7.3 V 73 V 880 V ANSWER DOWNLOAD EXAMIANS APP
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