Transformers Which of the following is not a part of transformer installation? Conservator Exciter Breather Buchholz relay Conservator Exciter Breather Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Current transformer Power transformer Potential transformer Auto transformer Current transformer Power transformer Potential transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ Primary reactance is too much increased None of the listed here Magnetising current is abnormally high Permeability of core is increased Primary reactance is too much increased None of the listed here Magnetising current is abnormally high Permeability of core is increased 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? 16 kVA 0.25 kVA 8 kVA 4 kVA 16 kVA 0.25 kVA 8 kVA 4 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it protects the primary circuit is safe to human beings None of these avoids core saturation and high voltage induction protects the primary circuit is safe to human beings None of these avoids core saturation and high voltage induction ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Eddy current loss Leakage reactance Iron losses Copper loss Eddy current loss Leakage reactance Iron losses Copper loss ANSWER DOWNLOAD EXAMIANS APP
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