Transformers Short circuit test of a transformer helps us to find its None of the listed here Iron loss Full load cu loss Cu loss at no load None of the listed here Iron loss Full load cu loss Cu loss at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Air cooled Water cooled None of the listed here Oil cooled Air cooled Water cooled None of the listed here Oil cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 25 per cent 50 per cent 100 per cent 98 per cent 25 per cent 50 per cent 100 per cent 98 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Leakage reactance Eddy current loss Iron losses Copper loss Leakage reactance Eddy current loss Iron losses Copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is four times the primary current one-fourth the primary current one-fourth the primary current and equal to the primary current equal to the primary current four times the primary current one-fourth the primary current one-fourth the primary current and equal to the primary current equal to the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its temperature rise dielectric strength of oil copper loss voltage ratio temperature rise dielectric strength of oil copper loss voltage ratio ANSWER DOWNLOAD EXAMIANS APP
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