Transformers Natural oil cooling is used for transformers upto a rating of 250 kVA 500 kVA 1000 kVA 3000 kVA 250 kVA 500 kVA 1000 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the resistance between its primary and secondary is Infinite 1 ohm 1000 ohms Zero Infinite 1 ohm 1000 ohms Zero ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Iron losses Leakage reactance Eddy current loss Copper loss Iron losses Leakage reactance Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Remians unchanged Is decreased None of the listed here Is increased Remians unchanged Is decreased None of the listed here Is increased 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 Noise level test in a transformer is a special test type test routine test None of these special test type test routine test None of these ANSWER DOWNLOAD EXAMIANS APP