Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is great than one less than one None of these approximately equal to one great than one less than one None of these approximately equal to one ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has high magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor has small magnitude and high power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor has small magnitude and high power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? All of these Overcurrent protection Buchholz relay Overfluxing protection All of these Overcurrent protection Buchholz relay Overfluxing protection ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Oil cooled None of the listed here Air cooled Water cooled Oil cooled None of the listed here Air cooled Water cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 1.7 Wb/m² 3.7 Wb/m² 2.7 Wb/m² 4.7 Wb/m² 1.7 Wb/m² 3.7 Wb/m² 2.7 Wb/m² 4.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a special test type test routine test None of these special test type test routine test None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS