Transformers The core type transformer provides _______ Shorter magnetic path Much longer magnetic path None of the listed here Lesser average length per turn Shorter magnetic path Much longer magnetic path None of the listed here Lesser average length per turn ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 500 kVA 3000 kVA 250 kVA 1000 kVA 500 kVA 3000 kVA 250 kVA 1000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Buchholz relay All of these Overcurrent protection Overfluxing protection Buchholz relay All of these Overcurrent protection Overfluxing protection ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of more than 15 A 15 A None of these less than 15 A more than 15 A 15 A None of these less than 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Friction Eddy current Hysteresis Copper Friction Eddy current Hysteresis Copper ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Power device Current device Voltage device Main flux device Power device Current device Voltage device Main flux device ANSWER DOWNLOAD EXAMIANS APP