Transformers Transformer having ratings less than 5kVA are generally ______ Oil cooled None of the listed here Natural air cooled Water cooled Oil cooled None of the listed here Natural air cooled Water cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ Permeability of core is increased Magnetising current is abnormally high Primary reactance is too much increased None of the listed here Permeability of core is increased Magnetising current is abnormally high Primary reactance is too much increased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 500 kVA 1000 kVA 250 kVA 3000 kVA 500 kVA 1000 kVA 250 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. None of the listed here About the same as Greater than Smaller than None of the listed here About the same as Greater than Smaller than ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at Full load No load Half full load None of the listed here Full load No load Half full load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around Zero load 50% load 25% load 90% load Zero load 50% load 25% load 90% load ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS