GETCO Exam Paper (30-11-2008) On a long high voltage transmission line with heavy load, VAR compensation can be provided by using shunt inductive reactors shunt capacitors series inductive reactors series capacitors shunt inductive reactors shunt capacitors series inductive reactors series capacitors ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Arcing voltage will be the least in case of silver tungsten carbon copper silver tungsten carbon copper ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) When a star delta transformer bank of three single phase transformers is to be used for step down transformation with line voltages of 23000 V and 2300 V, the ratio of transformation will be 12.1:1 5.8:1 17.2:1 10.0:1 12.1:1 5.8:1 17.2:1 10.0:1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Isolaters used in transmission lines are capable of breaking no current fault current load current charging current no current fault current load current charging current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which loss in a transformer varies significantly with load? Copper loss Eddy current loss Core loss Hysteresis loss Copper loss Eddy current loss Core loss Hysteresis loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP During O.C test obtained no load losses (core loss)During S.C. test obtained copper loss (load losses)during loaded condition of transformer copper loss more significant than core loss.
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to tie line load changes only both frequency and tie line load changes tie line voltage changes only frequency changes only tie line load changes only both frequency and tie line load changes tie line voltage changes only frequency changes only ANSWER DOWNLOAD EXAMIANS APP