Transformers If a transformer core has air gaps, then, _________ Magnetising current is greatly increased Hysteresis loss is decreased Reluctance of magnetic path is decreased Eddy current is increased Magnetising current is greatly increased Hysteresis loss is decreased Reluctance of magnetic path is decreased Eddy current is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Friction losses Copper losses Total losses Iron losses Friction losses Copper losses Total losses Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ None of the listed here Reactive power Apparent power Leakage reactance None of the listed here Reactive power Apparent power Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine None of these temperature all-day efficiency stray losses None of these temperature all-day efficiency stray losses 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 A transformer will have zero efficiency at Full load None of the listed here Half full load No load Full load None of the listed here Half full load No load ANSWER DOWNLOAD EXAMIANS APP
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