Transformers When secondary of a current transformer is open-circuited its iron core will be hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current none of above will happen hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current none of above will happen ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its temperature rise dielectric strength of oil voltage ratio copper loss temperature rise dielectric strength of oil voltage ratio copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is oil cooling Any of these air blast cooling natural air cooling oil cooling Any of these air blast cooling natural air cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Air cooled Water cooled None of the listed here Oil cooled Air cooled Water cooled None of the listed here Oil cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the resistance between its primary and secondary is Zero Infinite 1000 ohms 1 ohm Zero Infinite 1000 ohms 1 ohm ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 33 kV 66 kV 400 kV 132 kV 33 kV 66 kV 400 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP