GETCO Exam Paper (30-11-2008) Which loss in a transformer varies significantly with load? Hysteresis loss Core loss Copper loss Eddy current loss Hysteresis loss Core loss Copper 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.
GETCO Exam Paper (30-11-2008) Rewirable fuse has _____ time-current characteristic square none of these linear inverse square none of these linear inverse ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If a power system is transiently stable, it will oscillate beyond the first swing is always dynamically stable may be dynamically unstable both (a) & (c ) will oscillate beyond the first swing is always dynamically stable may be dynamically unstable both (a) & (c ) ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If the fault occurs near the relay, the V/I ratio will be _____ that of if the fault occurs away from the relay. none of these higher than equal to lower than none of these higher than equal to lower than ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to frequency changes only both frequency and tie line load changes tie line load changes only tie line voltage changes only frequency changes only both frequency and tie line load changes tie line load changes only tie line voltage changes only ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The recovery voltage will be maximum for p.f. of 0.707 zero unity 0.5 0.707 zero unity 0.5 ANSWER DOWNLOAD EXAMIANS APP
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