Transformers The maximum flux produced in the core of a transformer is ______ None of the listed here Directly proportional to supply frequency Inversely proportional to supply frequency Inversely proportional to primary voltage None of the listed here Directly proportional to supply frequency Inversely proportional to supply frequency Inversely proportional to primary voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Ampere turns and voltage per turns Resistance and leakage reactances None of the listed here Currents and induced voltages Ampere turns and voltage per turns Resistance and leakage reactances None of the listed here Currents and induced voltages ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 1000 kVA 500 kVA 250 kVA 3000 kVA 1000 kVA 500 kVA 250 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Oil cooled Water cooled Air cooled None of the listed here Oil cooled Water cooled Air cooled None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has small magnitude and low power factor has high magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor has small magnitude and low power factor has high magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Power transformer Potential transformer Current transformer Auto transformer Power transformer Potential transformer Current transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS