Transformers Which of the following is not a part of transformer installation? Exciter Breather Buchholz relay Conservator Exciter Breather Buchholz relay Conservator ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 12 V 2,400 V 240 V 120 V 12 V 2,400 V 240 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Current transformer Auto transformer Power transformer Potential transformer Current transformer Auto transformer Power transformer Potential transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its Full load cu loss Cu loss at no load None of the listed here Iron loss Full load cu loss Cu loss at no load None of the listed here Iron loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer is smallest? 2kVA, 200 Hz 2kVA, 500 Hz 2kVA, 400 Hz 2kVA, 50 Hz 2kVA, 200 Hz 2kVA, 500 Hz 2kVA, 400 Hz 2kVA, 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer core has air gaps, then, _________ Magnetising current is greatly increased Hysteresis loss is decreased Eddy current is increased Reluctance of magnetic path is decreased Magnetising current is greatly increased Hysteresis loss is decreased Eddy current is increased Reluctance of magnetic path is decreased ANSWER DOWNLOAD EXAMIANS APP
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