Transformers A transformer oil must be free from Sludge Odour Gases Moisture Sludge Odour Gases Moisture ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Cause voltage drop in the windings Increase copper losses None of the listed here Decreases copper losses Cause voltage drop in the windings Increase copper losses None of the listed here Decreases copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 8 μH 2 mH 2 μH 4 μH 8 μH 2 mH 2 μH 4 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W 200 W None of the listed here 100 W 400 W 200 W None of the listed here 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be fused switched shorted open fused switched shorted open ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Is a static device Uses capacitive coupling Uses electric coupling Uses inductive coupling Is a static device Uses capacitive coupling Uses electric coupling Uses inductive coupling ANSWER DOWNLOAD EXAMIANS APP