GETCO Exam Paper (30-11-2008) The power transmitted will be maximum when sending end voltage is more receiving end voltage is more corona losses are least reactance is high sending end voltage is more receiving end voltage is more corona losses are least reactance is high ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which loss in a transformer varies significantly with load? Eddy current loss Core loss Copper loss Hysteresis loss Eddy current loss Core loss Copper 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) The C.B.s which produces the least arc energy are air blast air break plain oil minimum oil air blast air break plain oil minimum oil ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The arc voltage in a C.B. is _____ with the arc current lagging by 90˚ leading by 90˚ none of these in phase lagging by 90˚ leading by 90˚ none of these in phase ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Bulk-oil CBs can be used for voltage upto 11 kV 1.1 kV 66 kV 33 kV 11 kV 1.1 kV 66 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which of the following regulation is considered to be the best 0.02 0.7 0.98 0.3 0.02 0.7 0.98 0.3 ANSWER DOWNLOAD EXAMIANS APP