Transformers The permissible flux density in case of cold rolled grain oriented steel is around 1.7 Wb/m² 4.7 Wb/m² 2.7 Wb/m² 3.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² 2.7 Wb/m² 3.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is capacitive only inductive or resistive inductive only None of these capacitive only inductive or resistive inductive only None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Gases Sludge Odour Moisture Gases Sludge Odour Moisture ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. None of the listed here Equal to Higher than Less than None of the listed here Equal to Higher than Less than ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 μH 4 μH 8 μH 2 mH 2 μH 4 μH 8 μH 2 mH ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% 30-40% Above 40% 15-30% 3-5% 30-40% Above 40% 15-30% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS