GETCO Exam Paper (30-11-2008) In an overhead transmission line, wave traps are used for the detection of the _____ signals. fault voltage carrier fault current fault power fault voltage carrier fault current fault power ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transient stability of a power system depends on the strength of transmission network All of these fault-clearing time the short circuit ratio of generating units the strength of transmission network All of these fault-clearing time the short circuit ratio of generating units ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The C.B.s which produces the least arc energy are plain oil air break air blast minimum oil plain oil air break air blast minimum oil ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The power handling capabilities of transmission lines are set by design factors determined by system operators both (a) & (c ) controlled by load frequency control equipments set by design factors determined by system operators both (a) & (c ) controlled by load frequency control equipments ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which of the following connection of transformer will give the highest secondary voltage? star primary, delta secondary star primary, star secondary Delta primary, delta secondary Delta primary, star secondary star primary, delta secondary star primary, star secondary Delta primary, delta secondary Delta primary, star secondary ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which loss in a transformer varies significantly with load? Copper loss Hysteresis loss Core loss Eddy current loss Copper loss Hysteresis loss Core loss Eddy current 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.
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