Transformers Transformer having ratings less than 5kVA are generally ______ None of the listed here Water cooled Oil cooled Natural air cooled None of the listed here Water cooled Oil cooled Natural air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Cause voltage drop in the windings Decreases copper losses Increase copper losses None of the listed here Cause voltage drop in the windings Decreases copper losses Increase copper losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Mica Asbestos Cellulose Glass fibre Mica Asbestos Cellulose Glass fibre ANSWER DOWNLOAD EXAMIANS APP
Transformers The leakage flux in a transformer depends upon load current, voltage, frequency and power factor load current and voltage load current load current, voltage and frequency load current, voltage, frequency and power factor load current and voltage load current load current, voltage and frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 9 V 90 V 0.9 V 900 V 9 V 90 V 0.9 V 900 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Copper Wood Aluminium Silicon steel Copper Wood Aluminium Silicon steel ANSWER DOWNLOAD EXAMIANS APP