Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Current transformer Auto transformer Power transformer Voltage transformer Current transformer Auto transformer Power transformer Voltage transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 3000 kVA 250 kVA 500 kVA 1000 kVA 3000 kVA 250 kVA 500 kVA 1000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% 15-30% Above 40% 30-40% 3-5% 15-30% Above 40% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Kilowatt Amperes Volt amperes Volts Kilowatt Amperes Volt amperes Volts ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine core losses eddy current losses copper losses hysteresis losses core losses eddy current losses copper losses hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a fitting on a transformer? Buchholz's relay Breather Conservator Commutator Buchholz's relay Breather Conservator Commutator ANSWER DOWNLOAD EXAMIANS APP