Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Conservator Horn gaps Breather Thermal overload relays Conservator Horn gaps Breather Thermal overload relays ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it avoids core saturation and high voltage induction None of these is safe to human beings protects the primary circuit avoids core saturation and high voltage induction None of these is safe to human beings protects the primary circuit ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Current Impedance Power Voltage Current Impedance Power Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive only capacitive only None of these inductive or resistive inductive only capacitive only None of these inductive or resistive ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 0.4 0.2 25 5 0.4 0.2 25 5 ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine efficiency copper loss magnetising current core loss magnetising current and loss efficiency copper loss magnetising current core loss magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP