Transformers Short circuit test of a transformer helps us to find its Iron loss None of the listed here Full load cu loss Cu loss at no load Iron loss None of the listed here Full load cu loss Cu loss at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is approximately equal to one great than one None of these less than one approximately equal to one great than one None of these less than one ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 50 per cent 100 per cent 25 per cent 98 per cent 50 per cent 100 per cent 25 per cent 98 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Oil cooling Air blast cooling Any of the listed here Natural air cooling Oil cooling Air blast cooling Any of the listed here Natural air cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 0.4 4 0.96 9.6 0.4 4 0.96 9.6 ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ Low voltage and high output High voltage and high output None of the listed here High voltage and small output Low voltage and high output High voltage and high output None of the listed here High voltage and small output ANSWER DOWNLOAD EXAMIANS APP
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