Transformers A tap changer is used on a transformer for Adjustments in secondary voltage None of the listed here Adjustment in both primary and secondary Adjustment in primary voltage Adjustments in secondary voltage None of the listed here Adjustment in both primary and secondary Adjustment in primary voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. Less than None of the listed here The same as More than Less than None of the listed here The same as More than ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 μH 8 μH 4 μH 2 mH 2 μH 8 μH 4 μH 2 mH ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Conservator Exciter Buchholz relay Breather Conservator Exciter Buchholz relay Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer is smallest? 2kVA, 200 Hz 2kVA, 400 Hz 2kVA, 50 Hz 2kVA, 500 Hz 2kVA, 200 Hz 2kVA, 400 Hz 2kVA, 50 Hz 2kVA, 500 Hz ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be open shorted fused switched open shorted fused switched ANSWER DOWNLOAD EXAMIANS APP