Transformers Which motor is preferred for use in mines where explosive gases exist? Shunt motor Air motor Synchronous motor Induction motor Shunt motor Air motor Synchronous motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a routine test type test None of these special test routine test type test None of these special test ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W 100 W 200 W None of the listed here 400 W 100 W 200 W None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Iron losses Copper loss Leakage reactance Eddy current loss Iron losses Copper loss Leakage reactance Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 100 per cent 98 per cent 25 per cent 50 per cent 100 per cent 98 per cent 25 per cent 50 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 0.85 V 1.7 V 0 V 1 V 0.85 V 1.7 V 0 V 1 V ANSWER DOWNLOAD EXAMIANS APP
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