GETCO Exam Paper (30-11-2008) Which loss in a transformer varies significantly with load? Core loss Copper loss Eddy current loss Hysteresis loss Core loss Copper loss Eddy current 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) In the parallel operation of transformers, which statement is false None of these transformers voltage ratings same transformers kVA ratings equal transformers transformation ratios same None of these transformers voltage ratings same transformers kVA ratings equal transformers transformation ratios same ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The power handling capabilities of transmission lines are both (a) & (c ) determined by system operators controlled by load frequency control equipments set by design factors both (a) & (c ) determined by system operators controlled by load frequency control equipments set by design factors ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In the protection scheme relay functions as _____ device switching none of these sensing breaking switching none of these sensing breaking ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transient stability of a power system depends on All of these the short circuit ratio of generating units the strength of transmission network fault-clearing time All of these the short circuit ratio of generating units the strength of transmission network fault-clearing time ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In an over current protection, the setting of earth fault relay is _____ the phase fault relay. less than more than equal to not related in less than more than equal to not related in ANSWER DOWNLOAD EXAMIANS APP
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