Transformers Which of the following is not a part of transformer installation? Buchholz relay Breather Conservator Exciter Buchholz relay Breather Conservator Exciter ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Both primary and secondary windings None of the listed here Primary winding only Secondary winding only Both primary and secondary windings None of the listed here Primary winding only Secondary winding only ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 20 V 2 V 180 V 18 V 20 V 2 V 180 V 18 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ Natural air cooled Water cooled Oil cooled None of the listed here Natural air cooled Water cooled Oil cooled None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is capacitive only None of these inductive only inductive or resistive capacitive only None of these inductive only inductive or resistive ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means locking of rotor due to harmonics starting the motor on load which is more than the rated load interchanging two supply phases for quick stopping pulling the motor directly on line without a starter locking of rotor due to harmonics starting the motor on load which is more than the rated load interchanging two supply phases for quick stopping pulling the motor directly on line without a starter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS