Transformers How are transformers generally cooled for installations rated at less than 5kVA ? None of the listed here Oil cooled Air cooled Water cooled None of the listed here Oil cooled Air cooled Water cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Leakage reactance Iron losses Eddy current loss Copper loss Leakage reactance Iron losses Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its None of the listed here Iron loss Cu loss at no load Full load cu loss None of the listed here Iron loss Cu loss at no load Full load cu loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has Low hysteresis loss All of the listed here High silicon content High permeability Low hysteresis loss All of the listed here High silicon content High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 15-30% 3-5% Above 40% 30-40% 15-30% 3-5% Above 40% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as hum zoom buzz ringing hum zoom buzz ringing ANSWER DOWNLOAD EXAMIANS APP
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