Transformers The maximum efficiency of a distribution transformer is at no load at full load at 50% full load at 80% full load at no load at full load at 50% full load at 80% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Breather Thermal overload relays Conservator Horn gaps Breather Thermal overload relays Conservator Horn gaps ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Turn ratio Copper losses Total equivalent leakage reactance Total equivalent resistance Turn ratio Copper losses Total equivalent leakage reactance Total equivalent resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV? 4 kVA 0.25 kVA 8 kVA 16 kVA 4 kVA 0.25 kVA 8 kVA 16 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Is a static device Uses electric coupling Uses inductive coupling Uses capacitive coupling Is a static device Uses electric coupling Uses inductive coupling Uses capacitive coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 80 20 2 4 80 20 2 4 ANSWER DOWNLOAD EXAMIANS APP