Transformers The temperature rise of transformer is directly proportional to _______ Apparent power None of the listed here Leakage reactance Reactive power Apparent power None of the listed here Leakage reactance Reactive power ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be lkV 33 kV 330 kV 100 kV lkV 33 kV 330 kV 100 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Current Impedance Voltage Power Current Impedance Voltage Power ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Overfluxing protection All of these Buchholz relay Overcurrent protection Overfluxing protection All of these Buchholz relay Overcurrent protection ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 15 MVA 50 MVA 5 MVA 1.5 MVA 15 MVA 50 MVA 5 MVA 1.5 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ None of the listed here Permeability of core is increased Primary reactance is too much increased Magnetising current is abnormally high None of the listed here Permeability of core is increased Primary reactance is too much increased Magnetising current is abnormally high ANSWER DOWNLOAD EXAMIANS APP